https://wiki.london.hackspace.org.uk/w/api.php?action=feedcontributions&user=Dr+Dee&feedformat=atomLondon Hackspace Wiki - User contributions [en-gb]2024-03-29T05:59:18ZUser contributionsMediaWiki 1.35.5https://wiki.london.hackspace.org.uk/w/index.php?title=Pledge:_Bench_grinders&diff=41529Pledge: Bench grinders2014-05-21T21:32:18Z<p>Dr Dee: </p>
<hr />
<div>__NOTOC__<br />
[[File:060718370.jpg|300px|thumb|right|Clark 8" Bench Grinder]]<br />
<br />
''We are looking at purchasing two bench grinders for the space for the space''. Pledge opened: ''7/4/2014''<br />
<br />
'''Pledge leader:''' [[User:Mr_Ed]]<br />
<br />
<br />
==The item==<br />
<br />
* Bench grinder<br />
* SiC wheel suitable for grinding Aluminium<br />
<br />
===Budget estimation===<br />
<br />
What we get will depend on how much money we can raise:<br />
<br />
* Option 1 £177.57<br />
* Two 8" bench grinders. 2x £77.99 (inc VAT) = £155.76 http://www.machinemart.co.uk/shop/product/details/clarke-cbg8370l-8-bench-grinder-with-lamp?da=1&TC=SRC-8%20bench%20grinder<br />
* One 8" SiC grinding wheel £21.59 (inc VAT) https://www.machinemart.co.uk/shop/range/guid/3EF31357-91A6-47EC-8476-52365589C0AB<br />
<br />
* Option 2 £131.97<br />
* Two 6" bench grinders 2x £57.59 http://www.machinemart.co.uk/shop/product/details/cbg6rsc-6in-bench-grinder<br />
* One 6" SiC grinding wheel £16.97 (inc VAT) https://www.machinemart.co.uk/shop/range/guid/3EF31357-91A6-47EC-8476-52365589C0AB<br />
<br />
* Option 3 £117.57<br />
* One 6" bench grinder £57.59 http://www.machinemart.co.uk/shop/product/details/cbg6rsc-6in-bench-grinder<br />
* One lower duty 6" grinder £43.19 http://www.machinemart.co.uk/shop/product/details/clarke-cbg6250-6-bench-grinder<br />
* One 6" SiC grinding wheel £16.97 (inc VAT) https://www.machinemart.co.uk/shop/range/guid/3EF31357-91A6-47EC-8476-52365589C0AB<br />
<br />
* Option 4 £77.99<br />
* One 8" steel grinder only<br />
<br />
* Option 5 £57.59<br />
* One 6" steel grinder only<br />
<br />
===Specification===<br />
* One 6 or 8" grinder with coarse and fine wheel for iron and steel.<br />
* One 6 or 8" grinder with a SiC wheel suitable for Aluminium and other non ferrous metals.<br />
* 8" Grinders come equipped with a dresser.<br />
<br />
===Additional information===<br />
* What goes in the place of the second wheel on the Aluminium grinder?<br />
* If the funds fall somewhere between the options, we will buy the best grinders possible with the funds from the list given.<br />
<br />
==Pledges==<br />
<br />
Please pay with the reference: GRIND PLDGE<br />
<br />
* <strike>£10 -- Mr_Ed.</strike> PAID<br />
* £10 -- Robin<br />
* <strike>£50 -- Dean Forbes </strike> PAID<br />
* <strike>£20 -- [[User:Ms7821|Mark] </strike> PAID<br />
* <strike>£10 -- [[User:Thumper|Ian]] </strike> PAID<br />
* <strike>£10 -- James Beyer </strike> PAID<br />
* <strike>£20 -- Oliver Greenaway </strike> PAID<br />
* £20 -- Neil Bennett<br />
* £10 -- [[User:tolland|Tom Hodder]]<br />
<br />
Running total: '''£160'''<br />
Paid: '''£120'''</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Pledge:_Bench_grinders&diff=41528Pledge: Bench grinders2014-05-21T21:31:58Z<p>Dr Dee: </p>
<hr />
<div>__NOTOC__<br />
[[File:060718370.jpg|300px|thumb|right|Clark 8" Bench Grinder]]<br />
<br />
''We are looking at purchasing two bench grinders for the space for the space''. Pledge opened: ''7/4/2014''<br />
<br />
'''Pledge leader:''' [[User:Mr_Ed]]<br />
<br />
<br />
==The item==<br />
<br />
* Bench grinder<br />
* SiC wheel suitable for grinding Aluminium<br />
<br />
===Budget estimation===<br />
<br />
What we get will depend on how much money we can raise:<br />
<br />
* Option 1 £177.57<br />
* Two 8" bench grinders. 2x £77.99 (inc VAT) = £155.76 http://www.machinemart.co.uk/shop/product/details/clarke-cbg8370l-8-bench-grinder-with-lamp?da=1&TC=SRC-8%20bench%20grinder<br />
* One 8" SiC grinding wheel £21.59 (inc VAT) https://www.machinemart.co.uk/shop/range/guid/3EF31357-91A6-47EC-8476-52365589C0AB<br />
<br />
* Option 2 £131.97<br />
* Two 6" bench grinders 2x £57.59 http://www.machinemart.co.uk/shop/product/details/cbg6rsc-6in-bench-grinder<br />
* One 6" SiC grinding wheel £16.97 (inc VAT) https://www.machinemart.co.uk/shop/range/guid/3EF31357-91A6-47EC-8476-52365589C0AB<br />
<br />
* Option 3 £117.57<br />
* One 6" bench grinder £57.59 http://www.machinemart.co.uk/shop/product/details/cbg6rsc-6in-bench-grinder<br />
* One lower duty 6" grinder £43.19 http://www.machinemart.co.uk/shop/product/details/clarke-cbg6250-6-bench-grinder<br />
* One 6" SiC grinding wheel £16.97 (inc VAT) https://www.machinemart.co.uk/shop/range/guid/3EF31357-91A6-47EC-8476-52365589C0AB<br />
<br />
* Option 4 £77.99<br />
* One 8" steel grinder only<br />
<br />
* Option 5 £57.59<br />
* One 6" steel grinder only<br />
<br />
===Specification===<br />
* One 6 or 8" grinder with coarse and fine wheel for iron and steel.<br />
* One 6 or 8" grinder with a SiC wheel suitable for Aluminium and other non ferrous metals.<br />
* 8" Grinders come equipped with a dresser.<br />
<br />
===Additional information===<br />
* What goes in the place of the second wheel on the Aluminium grinder?<br />
* If the funds fall somewhere between the options, we will buy the best grinders possible with the funds from the list given.<br />
<br />
==Pledges==<br />
<br />
Please pay with the reference: GRIND PLDGE<br />
<br />
* <strike>£10 -- Mr_Ed.</strike> PAID<br />
* £10 -- Robin<br />
* <strike>£50 -- Dean Forbes </strike> PAID<br />
* <strike>£20 -- [[User:Ms7821|Mark] </strike> PAID<br />
* <strike>£10 -- [[User:Thumper|Ian]] </strike> PAID<br />
* <strike>£10 -- James Beyer </strike> PAID<br />
* <strike>£20 -- Oliver Greenaway <strike> PAID<br />
* £20 -- Neil Bennett<br />
* £10 -- [[User:tolland|Tom Hodder]]<br />
<br />
Running total: '''£160'''<br />
Paid: '''£120'''</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Equipment/Britannia_Lathe&diff=40931Equipment/Britannia Lathe2014-04-18T09:43:32Z<p>Dr Dee: </p>
<hr />
<div>{{EquipmentInfobox<br />
|name=Britannia lathe <!-- Name of the item. --><br />
|image=Britannia_lathe.jpg<!-- Image of the item. Leave with placeholder image if none exists. --><br />
|model=Unknown <!-- Model --><br />
|category=Equipment <!-- Main category. Please leave alone to keep item in this category --><br />
|subcat=Metalworking <!-- Sub-category if one exists. Please check main listing to see other categories contained within the main one --><br />
|status=Out of order <!-- Set to one of; Good working order, Faulty, Out of order, Under construction, Out of consumables, Scrapped, or Unknown --><br />
|consumables=Unknown <!-- Any items used up in normal operation, such as; ink, paper, saw-blades, cutting disks, oil, etc.. --><br />
|accessories=Unknown <!-- Any items associated with the equipment but not consumable, such as; drill bits, safety gloves, goggles, etc.. --><br />
|reqtraining=Yes <!-- Is training required to use this equipment? Yes or no. --><br />
|trainlink=Unknown <!-- If training is required, provide a link to training signup or contact page. Otherwise leave blank. --><br />
|acnode=no<br />
|owner=Unknown <!-- Provide a link to owners members page if other than LHS --><br />
|origin=Donation<!-- If via pledge, please link to the completed pledge page on the wiki --><br />
|location=Basement, main workshop area<!-- Floor, room/zone and location within that area --><br />
|maintainers=Oliver <!-- NO LINKS PLEASE; it currently breaks the template. If someone is nominated as managing the upkeep of this item, please list them here. --><br />
|template_ver=1.1 <!-- Please do not change. Used for tracking out-of-date templates --><br />
}}<br />
== Britannia lathe renovation ==<br />
<br />
16/4/2014<br />
It's working. more or less. Needs an ACnode and power switch then we can start training people. there will need to be some adjustments made no doubt, but that has to wait until it can be turned on and off safely.<br />
<br />
25/8/2013<br />
I have found a step pully with a 5/8" bore. This has been fitted to the motor<br />
I have also started construction of a motor mount which will allow releasing tension on the belt to change gear... its a little ugly though, seems I have forgotten how to weld. Will soon be in a position to power it up and turn some stuff! lots that still needs to be done though:<br />
<br />
*make finger guard for gears/belt<br />
*rebuild teeth on damaged gears<br />
*build tool to correctly tension the bearings<br />
*get a nice big on off switch and saftey switch<br />
*get an AC node (to protect the machine as much as anything)<br />
<br />
27/6/2013<br />
motor spindle diameter is 5/8" <br />
<br />
<br />
15/6/2013<br />
Cleaned rust and grime off ways. Dissassembled entire carriage, cross slide, compound slide and cleaned througherly. (Mostly) put back together. Motion much smoother now in main area, though travel still stiff at tailstock end, not too worried about that as no one will be cutting anything down there anyway I suspect. Its better than it was anyway. <br />
<br />
At some point someone has added a gearbox to the rack & pinion, which is great expect that it gets in the way of one of the bolts that holds the saddle to the apron. If you want to take the whole thing apart, you will have to take the gear box off. there are 2 more countersunk screws behind the large gear, which is held in place by a pin (tap it out) and a whole damn lot of friction (WD40 and lots of leavering)<br />
<br />
Artag has kindly donated a step pulley which has aproximatly the correct dimensions, the bore needs enlarging though which means I (or someone) need access to the 3 in 1. trying to do this on the pillar drill would probably make it wobbly. <br />
<br />
<br />
<br />
12/6/2013<br />
Step pully dimensions:<br />
<br />
small: 33.8mm<br />
med: 54.8mm<br />
large: 72.4mm<br />
<br />
8/6/2012<br />
Roughly fitted a dust cover that folds over behind the cabinet when not in use. Will neaten it up when its all bolted down and finger guards etc are in place.<br />
<br />
Removed, dissassembeled and cleaned headstock. <br />
The spindle bearings are just the steel spindle on the cast iron casting and are tapered such that the effects of wear can be mitigated by tightening the bearing at the rear end, which draws both spindle bearings tighter into the casting bearing. There is a ball raced thrust bearing on the chuck end so pressure on the chuck does not force the taper of the bearing into the casting too tightly and damage it. This will all have to be carefully adjusted and locked in position before proper operation.<br />
<br />
The rear end of the spindle has suffered some calamity at some point previously which someone has repaired by addition of an adapter part, however there is not much metal left in the linkage between the spindle and the lead screw driving gears. For this reason any serious load on the leadscrew is likely to chew off the end of the spindle entirely.<br />
Options for spindle repair:<br />
a) Leave it alone until it breaks totally<br />
b) Make custom gear-spindle adapter. re-machine broken end to accept a custom made adapter. braze them both together. (forget welding, brazeing would be hard enough to do accuratly) <br />
c) Machine new spindle. (damn hard, its a considerable bit of engineering even by todays standards)<br />
d) Drive leadscrew from something else. somehow.<br />
<br />
Ran out of time today and left it with the leadscrew driving assembly in bits in a tray on the lathe cabinet. Its all covered by the dust cover so should be ok until next weekend.<br />
<br />
<br />
1/6/2013<br />
Did some more work on the motor table, It now bolts onto the bench with some bits of studding. When the motor is finalized, i'll cut some bits of scaffold tube for spacers to get it to the right height.<br />
Need to acquire an ACnode for it. Also need a step pully.<br />
<br />
<br />
<br />
27/5/2013 Removed tool board from back board. it's stored under/behind the lathe cabinet. Cut bit of wood for the motor to sit on. it's sitting in place for now with a sign not to remove. Will fasten it in place permanently when final motor decision is made.<br />
<br />
There is a potential 12VDC in my box, will need to make a speed controller for it. Alternatively just use a normal mains motor with a step pully as the lathe was designed for. 3 phase motors with inverter speed controllers start to look expensive.<br />
-Oliver<br />
<br />
== Pictures ==<br />
{|<br />
| [[File:Britannia_lathe_tailstock.jpg|thumb|The lathe, seen from the tailstock end]]<br />
| [[File:Britannia_lathe_chuck.jpg|thumb|The lathe, seen from the chuck end]]<br />
| [[File:Britannia_lathe_nameplate.jpg|thumb|The lathe's nameplate.]]<br />
|}</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Pledge:_Bench_grinders&diff=40930Pledge: Bench grinders2014-04-18T09:39:29Z<p>Dr Dee: </p>
<hr />
<div>__NOTOC__ __NOEDITSECTION__<br />
[[File:060718370.jpg|300px|thumb|right|Clark 8" Bench Grinder]]<br />
<br />
''We are looking at purchasing two bench grinders for the space for the space''. Pledge opened: ''7/4/2014''<br />
<br />
'''Pledge leader:''' [[User:Mr_Ed]]<br />
<br />
<br />
==The item==<br />
<br />
* Bench grinder<br />
* SiC wheel suitable for grinding Aluminium<br />
<br />
===Budget estimation===<br />
<br />
What we get will depend on how much money we can raise:<br />
<br />
* Option 1 £177.57<br />
* Two 8" bench grinders. 2 x £77.99 (inc VAT) = £155.76 http://www.machinemart.co.uk/shop/product/details/clarke-cbg8370l-8-bench-grinder-with-lamp?da=1&TC=SRC-8%20bench%20grinder<br />
* One 8" SiC grinding wheel £21.59 (inc VAT) https://www.machinemart.co.uk/shop/range/guid/3EF31357-91A6-47EC-8476-52365589C0AB<br />
<br />
* Option 2 £131.97<br />
* Two 6" bench grinders 2x £57.59 http://www.machinemart.co.uk/shop/product/details/cbg6rsc-6in-bench-grinder<br />
* One 6" SiC grinding wheel £16.97 (inc VAT) https://www.machinemart.co.uk/shop/range/guid/3EF31357-91A6-47EC-8476-52365589C0AB<br />
<br />
* Option 3 £117.57<br />
* One 6" bench grinders 2x £57.59 http://www.machinemart.co.uk/shop/product/details/cbg6rsc-6in-bench-grinder<br />
* One lower duty 6" grinder £43.19 http://www.machinemart.co.uk/shop/product/details/clarke-cbg6250-6-bench-grinder<br />
* One 6" SiC grinding wheel £16.97 (inc VAT) https://www.machinemart.co.uk/shop/range/guid/3EF31357-91A6-47EC-8476-52365589C0AB<br />
<br />
* Option 4 £77.99<br />
* One 8" steel grinder only<br />
<br />
* Option 5 £57.59<br />
* One 6" steel grinder only<br />
<br />
===Specification===<br />
* One 6 or 8" grinder with coarse and fine wheel for iron and steel.<br />
* One 6 or 8" grinder with a SiC wheel suitable for Aluminium and other non ferrous metals.<br />
* 8" Grinders come equipped with a dresser.<br />
<br />
===Additional information===<br />
* What goes in the place of the second wheel on the Aluminium grinder?<br />
* If the funds fall somewhere between the options, we will buy the best grinders possible with the funds from the list given.<br />
<br />
==Pledges==<br />
* £10 -- Mr_Ed.<br />
* £10 -- Robin<br />
* £10 -- Dean Forbes<br />
* £20 -- [[User:Ms7821|Mark]]<br />
* £10 -- [[User:Thumper|Ian]]<br />
* £10 -- James Beyer<br />
* £20 -- Oliver Greenaway<br />
<br />
Running total: '''£90'''</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Equipment/Britannia_Lathe&diff=37431Equipment/Britannia Lathe2013-08-25T19:54:44Z<p>Dr Dee: </p>
<hr />
<div>{{EquipmentInfobox<br />
|name=Britannia lathe <!-- Name of the item. --><br />
|image=Britannia_lathe.jpg<!-- Image of the item. Leave with placeholder image if none exists. --><br />
|model=Unknown <!-- Model --><br />
|category=Equipment <!-- Main category. Please leave alone to keep item in this category --><br />
|subcat=Metalworking <!-- Sub-category if one exists. Please check main listing to see other categories contained within the main one --><br />
|status=Out of order <!-- Set to one of; Good working order, Faulty, Out of order, Under construction, Out of consumables, Scrapped, or Unknown --><br />
|consumables=Unknown <!-- Any items used up in normal operation, such as; ink, paper, saw-blades, cutting disks, oil, etc.. --><br />
|accessories=Unknown <!-- Any items associated with the equipment but not consumable, such as; drill bits, safety gloves, goggles, etc.. --><br />
|reqtraining=Yes <!-- Is training required to use this equipment? Yes or no. --><br />
|trainlink=Unknown <!-- If training is required, provide a link to training signup or contact page. Otherwise leave blank. --><br />
|acnode=no<br />
|owner=Unknown <!-- Provide a link to owners members page if other than LHS --><br />
|origin=Donation<!-- If via pledge, please link to the completed pledge page on the wiki --><br />
|location=Basement, main workshop area<!-- Floor, room/zone and location within that area --><br />
|maintainers=Oliver <!-- NO LINKS PLEASE; it currently breaks the template. If someone is nominated as managing the upkeep of this item, please list them here. --><br />
|template_ver=1.1 <!-- Please do not change. Used for tracking out-of-date templates --><br />
}}<br />
== Britannia lathe renovation ==<br />
<br />
25/8/2013<br />
I have found a step pully with a 5/8" bore. This has been fitted to the motor<br />
I have also started construction of a motor mount which will allow releasing tension on the belt to change gear... its a little ugly though, seems I have forgotten how to weld. Will soon be in a position to power it up and turn some stuff! lots that still needs to be done though:<br />
<br />
*make finger guard for gears/belt<br />
*rebuild teeth on damaged gears<br />
*build tool to correctly tension the bearings<br />
*get a nice big on off switch and saftey switch<br />
*get an AC node (to protect the machine as much as anything)<br />
<br />
27/6/2013<br />
motor spindle diameter is 5/8" <br />
<br />
<br />
15/6/2013<br />
Cleaned rust and grime off ways. Dissassembled entire carriage, cross slide, compound slide and cleaned througherly. (Mostly) put back together. Motion much smoother now in main area, though travel still stiff at tailstock end, not too worried about that as no one will be cutting anything down there anyway I suspect. Its better than it was anyway. <br />
<br />
At some point someone has added a gearbox to the rack & pinion, which is great expect that it gets in the way of one of the bolts that holds the saddle to the apron. If you want to take the whole thing apart, you will have to take the gear box off. there are 2 more countersunk screws behind the large gear, which is held in place by a pin (tap it out) and a whole damn lot of friction (WD40 and lots of leavering)<br />
<br />
Artag has kindly donated a step pulley which has aproximatly the correct dimensions, the bore needs enlarging though which means I (or someone) need access to the 3 in 1. trying to do this on the pillar drill would probably make it wobbly. <br />
<br />
<br />
<br />
12/6/2013<br />
Step pully dimensions:<br />
<br />
small: 33.8mm<br />
med: 54.8mm<br />
large: 72.4mm<br />
<br />
8/6/2012<br />
Roughly fitted a dust cover that folds over behind the cabinet when not in use. Will neaten it up when its all bolted down and finger guards etc are in place.<br />
<br />
Removed, dissassembeled and cleaned headstock. <br />
The spindle bearings are just the steel spindle on the cast iron casting and are tapered such that the effects of wear can be mitigated by tightening the bearing at the rear end, which draws both spindle bearings tighter into the casting bearing. There is a ball raced thrust bearing on the chuck end so pressure on the chuck does not force the taper of the bearing into the casting too tightly and damage it. This will all have to be carefully adjusted and locked in position before proper operation.<br />
<br />
The rear end of the spindle has suffered some calamity at some point previously which someone has repaired by addition of an adapter part, however there is not much metal left in the linkage between the spindle and the lead screw driving gears. For this reason any serious load on the leadscrew is likely to chew off the end of the spindle entirely.<br />
Options for spindle repair:<br />
a) Leave it alone until it breaks totally<br />
b) Make custom gear-spindle adapter. re-machine broken end to accept a custom made adapter. braze them both together. (forget welding, brazeing would be hard enough to do accuratly) <br />
c) Machine new spindle. (damn hard, its a considerable bit of engineering even by todays standards)<br />
d) Drive leadscrew from something else. somehow.<br />
<br />
Ran out of time today and left it with the leadscrew driving assembly in bits in a tray on the lathe cabinet. Its all covered by the dust cover so should be ok until next weekend.<br />
<br />
<br />
1/6/2013<br />
Did some more work on the motor table, It now bolts onto the bench with some bits of studding. When the motor is finalized, i'll cut some bits of scaffold tube for spacers to get it to the right height.<br />
Need to acquire an ACnode for it. Also need a step pully.<br />
<br />
<br />
<br />
27/5/2013 Removed tool board from back board. it's stored under/behind the lathe cabinet. Cut bit of wood for the motor to sit on. it's sitting in place for now with a sign not to remove. Will fasten it in place permanently when final motor decision is made.<br />
<br />
There is a potential 12VDC in my box, will need to make a speed controller for it. Alternatively just use a normal mains motor with a step pully as the lathe was designed for. 3 phase motors with inverter speed controllers start to look expensive.<br />
-Oliver<br />
<br />
== Pictures ==<br />
{|<br />
| [[File:Britannia_lathe_tailstock.jpg|thumb|The lathe, seen from the tailstock end]]<br />
| [[File:Britannia_lathe_chuck.jpg|thumb|The lathe, seen from the chuck end]]<br />
| [[File:Britannia_lathe_nameplate.jpg|thumb|The lathe's nameplate.]]<br />
|}</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Equipment/Britannia_Lathe&diff=36290Equipment/Britannia Lathe2013-06-27T22:21:26Z<p>Dr Dee: /* Britannia lathe renovation */</p>
<hr />
<div>{{EquipmentInfobox<br />
|name=Britannia lathe <!-- Name of the item. --><br />
|image=Britannia_lathe.jpg<!-- Image of the item. Leave with placeholder image if none exists. --><br />
|model=Unknown <!-- Model --><br />
|category=Equipment <!-- Main category. Please leave alone to keep item in this category --><br />
|subcat=Metalworking <!-- Sub-category if one exists. Please check main listing to see other categories contained within the main one --><br />
|status=Out of order <!-- Set to one of; Good working order, Faulty, Out of order, Under construction, Out of consumables, Scrapped, or Unknown --><br />
|consumables=Unknown <!-- Any items used up in normal operation, such as; ink, paper, saw-blades, cutting disks, oil, etc.. --><br />
|accessories=Unknown <!-- Any items associated with the equipment but not consumable, such as; drill bits, safety gloves, goggles, etc.. --><br />
|reqtraining=Yes <!-- Is training required to use this equipment? Yes or no. --><br />
|trainlink=Unknown <!-- If training is required, provide a link to training signup or contact page. Otherwise leave blank. --><br />
|acnode=no<br />
|owner=Unknown <!-- Provide a link to owners members page if other than LHS --><br />
|origin=Donation<!-- If via pledge, please link to the completed pledge page on the wiki --><br />
|location=Basement, main workshop area<!-- Floor, room/zone and location within that area --><br />
|maintainers=Oliver <!-- NO LINKS PLEASE; it currently breaks the template. If someone is nominated as managing the upkeep of this item, please list them here. --><br />
|template_ver=1.1 <!-- Please do not change. Used for tracking out-of-date templates --><br />
}}<br />
== Britannia lathe renovation ==<br />
<br />
27/6/2013<br />
motor spindle diameter is 5/8" <br />
<br />
<br />
15/6/2013<br />
Cleaned rust and grime off ways. Dissassembled entire carriage, cross slide, compound slide and cleaned througherly. (Mostly) put back together. Motion much smoother now in main area, though travel still stiff at tailstock end, not too worried about that as no one will be cutting anything down there anyway I suspect. Its better than it was anyway. <br />
<br />
At some point someone has added a gearbox to the rack & pinion, which is great expect that it gets in the way of one of the bolts that holds the saddle to the apron. If you want to take the whole thing apart, you will have to take the gear box off. there are 2 more countersunk screws behind the large gear, which is held in place by a pin (tap it out) and a whole damn lot of friction (WD40 and lots of leavering)<br />
<br />
Artag has kindly donated a step pulley which has aproximatly the correct dimensions, the bore needs enlarging though which means I (or someone) need access to the 3 in 1. trying to do this on the pillar drill would probably make it wobbly. <br />
<br />
<br />
<br />
12/6/2013<br />
Step pully dimensions:<br />
<br />
small: 33.8mm<br />
med: 54.8mm<br />
large: 72.4mm<br />
<br />
8/6/2012<br />
Roughly fitted a dust cover that folds over behind the cabinet when not in use. Will neaten it up when its all bolted down and finger guards etc are in place.<br />
<br />
Removed, dissassembeled and cleaned headstock. <br />
The spindle bearings are just the steel spindle on the cast iron casting and are tapered such that the effects of wear can be mitigated by tightening the bearing at the rear end, which draws both spindle bearings tighter into the casting bearing. There is a ball raced thrust bearing on the chuck end so pressure on the chuck does not force the taper of the bearing into the casting too tightly and damage it. This will all have to be carefully adjusted and locked in position before proper operation.<br />
<br />
The rear end of the spindle has suffered some calamity at some point previously which someone has repaired by addition of an adapter part, however there is not much metal left in the linkage between the spindle and the lead screw driving gears. For this reason any serious load on the leadscrew is likely to chew off the end of the spindle entirely.<br />
Options for spindle repair:<br />
a) Leave it alone until it breaks totally<br />
b) Make custom gear-spindle adapter. re-machine broken end to accept a custom made adapter. braze them both together. (forget welding, brazeing would be hard enough to do accuratly) <br />
c) Machine new spindle. (damn hard, its a considerable bit of engineering even by todays standards)<br />
d) Drive leadscrew from something else. somehow.<br />
<br />
Ran out of time today and left it with the leadscrew driving assembly in bits in a tray on the lathe cabinet. Its all covered by the dust cover so should be ok until next weekend.<br />
<br />
<br />
1/6/2013<br />
Did some more work on the motor table, It now bolts onto the bench with some bits of studding. When the motor is finalized, i'll cut some bits of scaffold tube for spacers to get it to the right height.<br />
Need to acquire an ACnode for it. Also need a step pully.<br />
<br />
<br />
<br />
27/5/2013 Removed tool board from back board. it's stored under/behind the lathe cabinet. Cut bit of wood for the motor to sit on. it's sitting in place for now with a sign not to remove. Will fasten it in place permanently when final motor decision is made.<br />
<br />
There is a potential 12VDC in my box, will need to make a speed controller for it. Alternatively just use a normal mains motor with a step pully as the lathe was designed for. 3 phase motors with inverter speed controllers start to look expensive.<br />
-Oliver<br />
<br />
== Pictures ==<br />
{|<br />
| [[File:Britannia_lathe_tailstock.jpg|thumb|The lathe, seen from the tailstock end]]<br />
| [[File:Britannia_lathe_chuck.jpg|thumb|The lathe, seen from the chuck end]]<br />
| [[File:Britannia_lathe_nameplate.jpg|thumb|The lathe's nameplate.]]<br />
|}</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Equipment/Britannia_Lathe&diff=36070Equipment/Britannia Lathe2013-06-15T20:24:41Z<p>Dr Dee: </p>
<hr />
<div>{{EquipmentInfobox<br />
|name=Britannia lathe <!-- Name of the item. --><br />
|image=Britannia_lathe.jpg<!-- Image of the item. Leave with placeholder image if none exists. --><br />
|model=Unknown <!-- Model --><br />
|category=Equipment <!-- Main category. Please leave alone to keep item in this category --><br />
|subcat=Metalworking <!-- Sub-category if one exists. Please check main listing to see other categories contained within the main one --><br />
|status=Out of order <!-- Set to one of; Good working order, Faulty, Out of order, Under construction, Out of consumables, Scrapped, or Unknown --><br />
|consumables=Unknown <!-- Any items used up in normal operation, such as; ink, paper, saw-blades, cutting disks, oil, etc.. --><br />
|accessories=Unknown <!-- Any items associated with the equipment but not consumable, such as; drill bits, safety gloves, goggles, etc.. --><br />
|reqtraining=Yes <!-- Is training required to use this equipment? Yes or no. --><br />
|trainlink=Unknown <!-- If training is required, provide a link to training signup or contact page. Otherwise leave blank. --><br />
|acnode=no<br />
|owner=Unknown <!-- Provide a link to owners members page if other than LHS --><br />
|origin=Donation<!-- If via pledge, please link to the completed pledge page on the wiki --><br />
|location=Basement, main workshop area<!-- Floor, room/zone and location within that area --><br />
|maintainers=Oliver <!-- NO LINKS PLEASE; it currently breaks the template. If someone is nominated as managing the upkeep of this item, please list them here. --><br />
|template_ver=1.1 <!-- Please do not change. Used for tracking out-of-date templates --><br />
}}<br />
== Britannia lathe renovation ==<br />
<br />
15/6/2013<br />
Cleaned rust and grime off ways. Dissassembled entire carriage, cross slide, compound slide and cleaned througherly. (Mostly) put back together. Motion much smoother now in main area, though travel still stiff at tailstock end, not too worried about that as no one will be cutting anything down there anyway I suspect. Its better than it was anyway. <br />
At some point someone has added a gearbox to the rack & pinion, which is great expect that it gets in the way of one of the bolts that holds the saddle to the apron. If you want to take the whole thing apart, you will have to take the gear box off. there are 2 more countersunk screws behind the large gear, which is held in place by a pin (tap it out) and a whole damn lot of friction (WD40 and lots of leavering)<br />
<br />
Artag has kindly donated a step pulley which has aproximatly the correct dimensions, the bore needs enlarging though which means I (or someone) need access to the 3 in 1. trying to do this on the pillar drill would probably make it wobbly. <br />
<br />
<br />
<br />
12/6/2013<br />
Step pully dimensions:<br />
<br />
small: 33.8mm<br />
med: 54.8mm<br />
large: 72.4mm<br />
<br />
8/6/2012<br />
Roughly fitted a dust cover that folds over behind the cabinet when not in use. Will neaten it up when its all bolted down and finger guards etc are in place.<br />
<br />
Removed, dissassembeled and cleaned headstock. <br />
The spindle bearings are just the steel spindle on the cast iron casting and are tapered such that the effects of wear can be mitigated by tightening the bearing at the rear end, which draws both spindle bearings tighter into the casting bearing. There is a ball raced thrust bearing on the chuck end so pressure on the chuck does not force the taper of the bearing into the casting too tightly and damage it. This will all have to be carefully adjusted and locked in position before proper operation.<br />
<br />
The rear end of the spindle has suffered some calamity at some point previously which someone has repaired by addition of an adapter part, however there is not much metal left in the linkage between the spindle and the lead screw driving gears. For this reason any serious load on the leadscrew is likely to chew off the end of the spindle entirely.<br />
Options for spindle repair:<br />
a) Leave it alone until it breaks totally<br />
b) Make custom gear-spindle adapter. re-machine broken end to accept a custom made adapter. braze them both together. (forget welding, brazeing would be hard enough to do accuratly) <br />
c) Machine new spindle. (damn hard, its a considerable bit of engineering even by todays standards)<br />
d) Drive leadscrew from something else. somehow.<br />
<br />
Ran out of time today and left it with the leadscrew driving assembly in bits in a tray on the lathe cabinet. Its all covered by the dust cover so should be ok until next weekend.<br />
<br />
<br />
1/6/2013<br />
Did some more work on the motor table, It now bolts onto the bench with some bits of studding. When the motor is finalized, i'll cut some bits of scaffold tube for spacers to get it to the right height.<br />
Need to acquire an ACnode for it. Also need a step pully.<br />
<br />
<br />
<br />
27/5/2013 Removed tool board from back board. it's stored under/behind the lathe cabinet. Cut bit of wood for the motor to sit on. it's sitting in place for now with a sign not to remove. Will fasten it in place permanently when final motor decision is made.<br />
<br />
There is a potential 12VDC in my box, will need to make a speed controller for it. Alternatively just use a normal mains motor with a step pully as the lathe was designed for. 3 phase motors with inverter speed controllers start to look expensive.<br />
-Oliver<br />
<br />
== Pictures ==<br />
{|<br />
| [[File:Britannia_lathe_tailstock.jpg|thumb|The lathe, seen from the tailstock end]]<br />
| [[File:Britannia_lathe_chuck.jpg|thumb|The lathe, seen from the chuck end]]<br />
| [[File:Britannia_lathe_nameplate.jpg|thumb|The lathe's nameplate.]]<br />
|}</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Equipment/Britannia_Lathe&diff=36069Equipment/Britannia Lathe2013-06-15T20:23:53Z<p>Dr Dee: </p>
<hr />
<div>{{EquipmentInfobox<br />
|name=Britannia lathe <!-- Name of the item. --><br />
|image=Britannia_lathe.jpg<!-- Image of the item. Leave with placeholder image if none exists. --><br />
|model=Unknown <!-- Model --><br />
|category=Equipment <!-- Main category. Please leave alone to keep item in this category --><br />
|subcat=Metalworking <!-- Sub-category if one exists. Please check main listing to see other categories contained within the main one --><br />
|status=Out of order <!-- Set to one of; Good working order, Faulty, Out of order, Under construction, Out of consumables, Scrapped, or Unknown --><br />
|consumables=Unknown <!-- Any items used up in normal operation, such as; ink, paper, saw-blades, cutting disks, oil, etc.. --><br />
|accessories=Unknown <!-- Any items associated with the equipment but not consumable, such as; drill bits, safety gloves, goggles, etc.. --><br />
|reqtraining=Yes <!-- Is training required to use this equipment? Yes or no. --><br />
|trainlink=Unknown <!-- If training is required, provide a link to training signup or contact page. Otherwise leave blank. --><br />
|acnode=no<br />
|owner=Unknown <!-- Provide a link to owners members page if other than LHS --><br />
|origin=Donation<!-- If via pledge, please link to the completed pledge page on the wiki --><br />
|location=Basement, main workshop area<!-- Floor, room/zone and location within that area --><br />
|maintainers=Oliver <!-- NO LINKS PLEASE; it currently breaks the template. If someone is nominated as managing the upkeep of this item, please list them here. --><br />
|template_ver=1.1 <!-- Please do not change. Used for tracking out-of-date templates --><br />
}}<br />
== Britannia lathe renovation ==<br />
<br />
15/6/2013<br />
Cleaned rust and grime off ways. Dissassembled entire carriage, cross slide, compound slide and cleaned througherly. (Mostly) put back together. Motion much smoother now in main area, though travel still stiff at tailstock end, not too worried about that as no one will be cutting anything down there anyway I suspect. Its better than it was anyway. <br />
At some point someone has added a gearbox to the rack & pinion, which is great expect that it gets in the way of one of the bolts that holds the saddle to the apron. If you want to take the whole thing apart, you will have to take the gear box off. there are 2 more countersunk screws behind the large gear, which is held in place by a pin (tap it out) and a whole damn lot of friction (WD40 and lots of leavering)<br />
<br />
Artag has kindly donated a step pulley which has aproximatly the correct dimensions, the bore needs enlarging though which means I (or someone) need access to the 3 in 1. trying to do this on the pillar drill would probably make it wobbly. <br />
<br />
<br />
<br />
12/6/2013<br />
Step pully dimensions:<br />
<br />
small: 33.8mm<br />
med: 54.8mm<br />
large: 72.4mm<br />
<br />
8/6/2012<br />
Roughly fitted a dust cover that folds over behind the cabinet when not in use. Will neaten it up when its all bolted down and finger guards etc are in place.<br />
<br />
Removed, dissassembeled and cleaned headstock. <br />
The spindle bearings are just the steel spindle on the cast iron casting and are tapered such that the effects of wear can be mitigated by tightening the bearing at the rear end, which draws both spindle bearings tighter into the casting bearing. There is a ball raced thrust bearing on the chuck end so pressure on the chuck does not force the taper of the bearing into the casting too tightly and damage it. This will all have to be carefully adjusted and locked in position before proper operation.<br />
<br />
The rear end of the spindle has suffered some calamity at some point previously which someone has repaired by addition of an adapter part, however there is not much metal left in the linkage between the spindle and the lead screw driving gears. For this reason any serious load on the leadscrew is likely to chew off the end of the spindle entirely.<br />
Options for spindle repair:<br />
a) Leave it alone until it breaks totally<br />
b) Make custom gear-spindle adapter. re-machine broken end to accept a custom made adapter. braze them both together. (forget welding, brazeing would be hard enough to do accuratly) <br />
c) Machine new spindle. (damn hard, its a considerable bit of engineering even by todays standards)<br />
d) Drive leadscrew from something else. somehow.<br />
<br />
Ran out of time today and left it with the leadscrew driving assembly in bits in a tray on the lathe cabinet. Its all covered by the dust cover so should be ok until next weekend.<br />
<br />
<br />
1/6/2013<br />
Did some more work on the motor table, It now bolts onto the bench with some bits of studding. When the motor is finalized, i'll cut some bits of scaffold tube for spacers to get it to the right height.<br />
Need to acquire an ACnode for it. Also need a step pully.<br />
<br />
<br />
<br />
27/5/2013 Removed tool board from back board. it's stored under/behind the lathe cabinet. Cut bit of wood for the motor to sit on. it's sitting in place for now with a sign not to remove. Will fasten it in place permanently when final motor decision is made.<br />
<br />
There is a potential 12VDC in my box, will need to make a speed controller for it. Alternatively just use a normal mains motor with a step pully as the lathe was designed for. 3 phase motors with inverter speed controllers start to look expensive.<br />
-Oliver<br />
<br />
== Pictures ==<br />
{|<br />
| [[File:Britannia_lathe_tailstock.jpg|thumb|The lathe, seen from the tailstock end]]<br />
| [[File:Britannia_lathe_chuck.jpg|thumb|The lathe, seen from the chuck end]]<br />
| [[File:Britannia_lathe_nameplate.jpg|thumb|The lathe's nameplate.]]<br />
|}</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Equipment/Britannia_Lathe&diff=36009Equipment/Britannia Lathe2013-06-12T21:33:17Z<p>Dr Dee: </p>
<hr />
<div>{{EquipmentInfobox<br />
|name=Britannia lathe <!-- Name of the item. --><br />
|image=Britannia_lathe.jpg<!-- Image of the item. Leave with placeholder image if none exists. --><br />
|model=Unknown <!-- Model --><br />
|category=Equipment <!-- Main category. Please leave alone to keep item in this category --><br />
|subcat=Metalworking <!-- Sub-category if one exists. Please check main listing to see other categories contained within the main one --><br />
|status=Out of order <!-- Set to one of; Good working order, Faulty, Out of order, Under construction, Out of consumables, Scrapped, or Unknown --><br />
|consumables=Unknown <!-- Any items used up in normal operation, such as; ink, paper, saw-blades, cutting disks, oil, etc.. --><br />
|accessories=Unknown <!-- Any items associated with the equipment but not consumable, such as; drill bits, safety gloves, goggles, etc.. --><br />
|reqtraining=Yes <!-- Is training required to use this equipment? Yes or no. --><br />
|trainlink=Unknown <!-- If training is required, provide a link to training signup or contact page. Otherwise leave blank. --><br />
|acnode=no<br />
|owner=Unknown <!-- Provide a link to owners members page if other than LHS --><br />
|origin=Donation<!-- If via pledge, please link to the completed pledge page on the wiki --><br />
|location=Basement, main workshop area<!-- Floor, room/zone and location within that area --><br />
|maintainers=Oliver <!-- NO LINKS PLEASE; it currently breaks the template. If someone is nominated as managing the upkeep of this item, please list them here. --><br />
|template_ver=1.1 <!-- Please do not change. Used for tracking out-of-date templates --><br />
}}<br />
== Britannia lathe renovation ==<br />
<br />
12/6/2013<br />
Step pully dimensions:<br />
<br />
small: 33.8mm<br />
med: 54.8mm<br />
large: 72.4mm<br />
<br />
8/6/2012<br />
Roughly fitted a dust cover that folds over behind the cabinet when not in use. Will neaten it up when its all bolted down and finger guards etc are in place.<br />
<br />
Removed, dissassembeled and cleaned headstock. <br />
The spindle bearings are just the steel spindle on the cast iron casting and are tapered such that the effects of wear can be mitigated by tightening the bearing at the rear end, which draws both spindle bearings tighter into the casting bearing. There is a ball raced thrust bearing on the chuck end so pressure on the chuck does not force the taper of the bearing into the casting too tightly and damage it. This will all have to be carefully adjusted and locked in position before proper operation.<br />
<br />
The rear end of the spindle has suffered some calamity at some point previously which someone has repaired by addition of an adapter part, however there is not much metal left in the linkage between the spindle and the lead screw driving gears. For this reason any serious load on the leadscrew is likely to chew off the end of the spindle entirely.<br />
Options for spindle repair:<br />
a) Leave it alone until it breaks totally<br />
b) Make custom gear-spindle adapter. re-machine broken end to accept a custom made adapter. braze them both together. (forget welding, brazeing would be hard enough to do accuratly) <br />
c) Machine new spindle. (damn hard, its a considerable bit of engineering even by todays standards)<br />
d) Drive leadscrew from something else. somehow.<br />
<br />
Ran out of time today and left it with the leadscrew driving assembly in bits in a tray on the lathe cabinet. Its all covered by the dust cover so should be ok until next weekend.<br />
<br />
<br />
1/6/2013<br />
Did some more work on the motor table, It now bolts onto the bench with some bits of studding. When the motor is finalized, i'll cut some bits of scaffold tube for spacers to get it to the right height.<br />
Need to acquire an ACnode for it. Also need a step pully.<br />
<br />
<br />
<br />
27/5/2013 Removed tool board from back board. it's stored under/behind the lathe cabinet. Cut bit of wood for the motor to sit on. it's sitting in place for now with a sign not to remove. Will fasten it in place permanently when final motor decision is made.<br />
<br />
There is a potential 12VDC in my box, will need to make a speed controller for it. Alternatively just use a normal mains motor with a step pully as the lathe was designed for. 3 phase motors with inverter speed controllers start to look expensive.<br />
-Oliver<br />
<br />
== Pictures ==<br />
{|<br />
| [[File:Britannia_lathe_tailstock.jpg|thumb|The lathe, seen from the tailstock end]]<br />
| [[File:Britannia_lathe_chuck.jpg|thumb|The lathe, seen from the chuck end]]<br />
| [[File:Britannia_lathe_nameplate.jpg|thumb|The lathe's nameplate.]]<br />
|}</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Equipment/Britannia_Lathe&diff=35879Equipment/Britannia Lathe2013-06-08T20:25:58Z<p>Dr Dee: /* Britannia lathe renovation */</p>
<hr />
<div>{{EquipmentInfobox<br />
|name=Britannia lathe <!-- Name of the item. --><br />
|image=Britannia_lathe.jpg<!-- Image of the item. Leave with placeholder image if none exists. --><br />
|model=Unknown <!-- Model --><br />
|category=Equipment <!-- Main category. Please leave alone to keep item in this category --><br />
|subcat=Metalworking <!-- Sub-category if one exists. Please check main listing to see other categories contained within the main one --><br />
|status=Out of order <!-- Set to one of; Good working order, Faulty, Out of order, Under construction, Out of consumables, Scrapped, or Unknown --><br />
|consumables=Unknown <!-- Any items used up in normal operation, such as; ink, paper, saw-blades, cutting disks, oil, etc.. --><br />
|accessories=Unknown <!-- Any items associated with the equipment but not consumable, such as; drill bits, safety gloves, goggles, etc.. --><br />
|reqtraining=Yes <!-- Is training required to use this equipment? Yes or no. --><br />
|trainlink=Unknown <!-- If training is required, provide a link to training signup or contact page. Otherwise leave blank. --><br />
|acnode=no<br />
|owner=Unknown <!-- Provide a link to owners members page if other than LHS --><br />
|origin=Donation<!-- If via pledge, please link to the completed pledge page on the wiki --><br />
|location=Basement, main workshop area<!-- Floor, room/zone and location within that area --><br />
|maintainers=Oliver <!-- NO LINKS PLEASE; it currently breaks the template. If someone is nominated as managing the upkeep of this item, please list them here. --><br />
|template_ver=1.1 <!-- Please do not change. Used for tracking out-of-date templates --><br />
}}<br />
== Britannia lathe renovation ==<br />
<br />
8/6/2012<br />
Roughly fitted a dust cover that folds over behind the cabinet when not in use. Will neaten it up when its all bolted down and finger guards etc are in place.<br />
<br />
Removed, dissassembeled and cleaned headstock. <br />
The spindle bearings are just the steel spindle on the cast iron casting and are tapered such that the effects of wear can be mitigated by tightening the bearing at the rear end, which draws both spindle bearings tighter into the casting bearing. There is a ball raced thrust bearing on the chuck end so pressure on the chuck does not force the taper of the bearing into the casting too tightly and damage it. This will all have to be carefully adjusted and locked in position before proper operation.<br />
<br />
The rear end of the spindle has suffered some calamity at some point previously which someone has repaired by addition of an adapter part, however there is not much metal left in the linkage between the spindle and the lead screw driving gears. For this reason any serious load on the leadscrew is likely to chew off the end of the spindle entirely.<br />
Options for spindle repair:<br />
a) Leave it alone until it breaks totally<br />
b) Make custom gear-spindle adapter. re-machine broken end to accept a custom made adapter. braze them both together. (forget welding, brazeing would be hard enough to do accuratly) <br />
c) Machine new spindle. (damn hard, its a considerable bit of engineering even by todays standards)<br />
d) Drive leadscrew from something else. somehow.<br />
<br />
Ran out of time today and left it with the leadscrew driving assembly in bits in a tray on the lathe cabinet. Its all covered by the dust cover so should be ok until next weekend.<br />
<br />
<br />
1/6/2013<br />
Did some more work on the motor table, It now bolts onto the bench with some bits of studding. When the motor is finalized, i'll cut some bits of scaffold tube for spacers to get it to the right height.<br />
Need to acquire an ACnode for it. Also need a step pully.<br />
<br />
<br />
<br />
27/5/2013 Removed tool board from back board. it's stored under/behind the lathe cabinet. Cut bit of wood for the motor to sit on. it's sitting in place for now with a sign not to remove. Will fasten it in place permanently when final motor decision is made.<br />
<br />
There is a potential 12VDC in my box, will need to make a speed controller for it. Alternatively just use a normal mains motor with a step pully as the lathe was designed for. 3 phase motors with inverter speed controllers start to look expensive.<br />
-Oliver<br />
<br />
== Pictures ==<br />
{|<br />
| [[File:Britannia_lathe_tailstock.jpg|thumb|The lathe, seen from the tailstock end]]<br />
| [[File:Britannia_lathe_chuck.jpg|thumb|The lathe, seen from the chuck end]]<br />
| [[File:Britannia_lathe_nameplate.jpg|thumb|The lathe's nameplate.]]<br />
|}</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Equipment/Britannia_Lathe&diff=35878Equipment/Britannia Lathe2013-06-08T20:25:10Z<p>Dr Dee: </p>
<hr />
<div>{{EquipmentInfobox<br />
|name=Britannia lathe <!-- Name of the item. --><br />
|image=Britannia_lathe.jpg<!-- Image of the item. Leave with placeholder image if none exists. --><br />
|model=Unknown <!-- Model --><br />
|category=Equipment <!-- Main category. Please leave alone to keep item in this category --><br />
|subcat=Metalworking <!-- Sub-category if one exists. Please check main listing to see other categories contained within the main one --><br />
|status=Out of order <!-- Set to one of; Good working order, Faulty, Out of order, Under construction, Out of consumables, Scrapped, or Unknown --><br />
|consumables=Unknown <!-- Any items used up in normal operation, such as; ink, paper, saw-blades, cutting disks, oil, etc.. --><br />
|accessories=Unknown <!-- Any items associated with the equipment but not consumable, such as; drill bits, safety gloves, goggles, etc.. --><br />
|reqtraining=Yes <!-- Is training required to use this equipment? Yes or no. --><br />
|trainlink=Unknown <!-- If training is required, provide a link to training signup or contact page. Otherwise leave blank. --><br />
|acnode=no<br />
|owner=Unknown <!-- Provide a link to owners members page if other than LHS --><br />
|origin=Donation<!-- If via pledge, please link to the completed pledge page on the wiki --><br />
|location=Basement, main workshop area<!-- Floor, room/zone and location within that area --><br />
|maintainers=Oliver <!-- NO LINKS PLEASE; it currently breaks the template. If someone is nominated as managing the upkeep of this item, please list them here. --><br />
|template_ver=1.1 <!-- Please do not change. Used for tracking out-of-date templates --><br />
}}<br />
== Britannia lathe renovation ==<br />
<br />
8/6/2012<br />
Roughly fitted a dust cover that folds over behind the cabinet when not in use. will tidy it up when its all bolted down and finger guards etc are in place.<br />
<br />
Removed, dissassembeled and cleaned headstock. <br />
The spindle bearings are just the steel spindle on the cast iron casting and are tapered such that the effects of wear can be mitigated by tightening the bearing at the rear end, which draws both spindle bearings tighter into the casting bearing. There is a ball raced thrust bearing on the chuck end so pressure on the chuck does not force the taper of the bearing into the casting too tightly and damage it. This will all have to be carefully adjusted and locked in position before proper operation.<br />
<br />
The rear end of the spindle has suffered some calamity at some point previously which someone has repaired by addition of an adapter part, however there is not much metal left in the linkage between the spindle and the lead screw driving gears. For this reason any serious load on the leadscrew is likely to chew off the end of the spindle entirely.<br />
Options for spindle repair:<br />
a) Leave it alone until it breaks totally<br />
b) Make custom gear-spindle adapter. re-machine broken end to accept a custom made adapter. braze them both together. (forget welding, brazeing would be hard enough to do accuratly) <br />
c) Machine new spindle. (damn hard, its a considerable bit of engineering even by todays standards)<br />
d) Drive leadscrew from something else. somehow.<br />
<br />
Ran out of time today and left it with the leadscrew driving assembly in bits in a tray on the lathe cabinet. Its all covered by the dust cover so should be ok until next weekend.<br />
<br />
<br />
1/6/2013<br />
Did some more work on the motor table, It now bolts onto the bench with some bits of studding. When the motor is finalized, i'll cut some bits of scaffold tube for spacers to get it to the right height.<br />
Need to acquire an ACnode for it. Also need a step pully.<br />
<br />
<br />
<br />
27/5/2013 Removed tool board from back board. it's stored under/behind the lathe cabinet. Cut bit of wood for the motor to sit on. it's sitting in place for now with a sign not to remove. Will fasten it in place permanently when final motor decision is made.<br />
<br />
There is a potential 12VDC in my box, will need to make a speed controller for it. Alternatively just use a normal mains motor with a step pully as the lathe was designed for. 3 phase motors with inverter speed controllers start to look expensive.<br />
-Oliver<br />
<br />
== Pictures ==<br />
{|<br />
| [[File:Britannia_lathe_tailstock.jpg|thumb|The lathe, seen from the tailstock end]]<br />
| [[File:Britannia_lathe_chuck.jpg|thumb|The lathe, seen from the chuck end]]<br />
| [[File:Britannia_lathe_nameplate.jpg|thumb|The lathe's nameplate.]]<br />
|}</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Equipment/Britannia_Lathe&diff=35303Equipment/Britannia Lathe2013-06-01T19:42:43Z<p>Dr Dee: </p>
<hr />
<div>{{EquipmentInfobox<br />
| name = Britannia lathe <!-- Name of the item. --><br />
| image = Hackspace_Unknown.png <!-- Image of the item. Leave with placeholder image if none exists. --><br />
| model = Unknown <!-- Model --><br />
| category = Equipment <!-- Main category. Please leave alone to keep item in this category --><br />
| subcat = Metalworking <!-- Sub-category if one exists. Please check main listing to see other categories contained within the main one --><br />
| status = Out of order <!-- Set to one of; Good working order, Faulty, Out of order, Under construction, Out of consumables, Scrapped, or Unknown --><br />
| consumables = Unknown <!-- Any items used up in normal operation, such as; ink, paper, saw-blades, cutting disks, oil, etc.. --><br />
| accessories = Unknown <!-- Any items associated with the equipment but not consumable, such as; drill bits, safety gloves, goggles, etc.. --><br />
| reqtraining = Yes <!-- Is training required to use this equipment? Yes or no. --><br />
| trainlink = Unknown <!-- If training is required, provide a link to training signup or contact page. Otherwise leave blank. --><br />
| acnode = <!-- Is the equipment ACnode locked? --><br />
| owner = Unknown <!-- Provide a link to owners members page if other than LHS --><br />
| origin = Donation<!-- If via pledge, please link to the completed pledge page on the wiki --><br />
| location = <!-- Floor, room/zone and location within that area --><br />
| maintainers = Oliver <!-- NO LINKS PLEASE; it currently breaks the template. If someone is nominated as managing the upkeep of this item, please list them here. --><br />
| template_ver = 1.1 <!-- Please do not change. Used for tracking out-of-date templates --><br />
}}<br />
== Britannia lathe renovation ==<br />
<br />
1/6/2013<br />
Did some more work on the motor table, It now bolts onto the bench with some bits of studding. When the motor is finalized, i'll cut some bits of scaffold tube for spacers to get it to the right height.<br />
Need to acquire an ACnode for it. Also need a step pully.<br />
<br />
<br />
<br />
27/5/2013 Removed tool board from back board. it's stored under/behind the lathe cabinet. Cut bit of wood for the motor to sit on. it's sitting in place for now with a sign not to remove. Will fasten it in place permanently when final motor decision is made.<br />
<br />
There is a potential 12VDC in my box, will need to make a speed controller for it. Alternatively just use a normal mains motor with a step pully as the lathe was designed for. 3 phase motors with inverter speed controllers start to look expensive.<br />
-Oliver</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Equipment/Britannia_Lathe&diff=35198Equipment/Britannia Lathe2013-05-29T23:08:34Z<p>Dr Dee: </p>
<hr />
<div>{{EquipmentInfobox<br />
| name = Britannia lathe <!-- Name of the item. --><br />
| image = Hackspace_Unknown.png <!-- Image of the item. Leave with placeholder image if none exists. --><br />
| model = Unknown <!-- Model --><br />
| category = Equipment <!-- Main category. Please leave alone to keep item in this category --><br />
| subcat = Metalworking <!-- Sub-category if one exists. Please check main listing to see other categories contained within the main one --><br />
| status = Out of order <!-- Set to one of; Good working order, Faulty, Out of order, Under construction, Out of consumables, Scrapped, or Unknown --><br />
| consumables = Unknown <!-- Any items used up in normal operation, such as; ink, paper, saw-blades, cutting disks, oil, etc.. --><br />
| accessories = Unknown <!-- Any items associated with the equipment but not consumable, such as; drill bits, safety gloves, goggles, etc.. --><br />
| reqtraining = Yes <!-- Is training required to use this equipment? Yes or no. --><br />
| trainlink = Unknown <!-- If training is required, provide a link to training signup or contact page. Otherwise leave blank. --><br />
| acnode = <!-- Is the equipment ACnode locked? --><br />
| owner = Unknown <!-- Provide a link to owners members page if other than LHS --><br />
| origin = Donation<!-- If via pledge, please link to the completed pledge page on the wiki --><br />
| location = <!-- Floor, room/zone and location within that area --><br />
| maintainers = Oliver <!-- NO LINKS PLEASE; it currently breaks the template. If someone is nominated as managing the upkeep of this item, please list them here. --><br />
| template_ver = 1.1 <!-- Please do not change. Used for tracking out-of-date templates --><br />
}}<br />
== Britannia lathe renovation ==<br />
<br />
27/5/2013 Removed tool board from back board. it's stored under/behind the lathe cabinet. Cut bit of wood for the motor to sit on. it's sitting in place for now with a sign not to remove. Will fasten it in place permanently when final motor decision is made.<br />
<br />
There is a potential 12VDC in my box, will need to make a speed controller for it. Alternatively just use a normal mains motor with a step pully as the lathe was designed for. 3 phase motors with inverter speed controllers start to look expensive.<br />
-Oliver</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Equipment/Britannia_Lathe&diff=34338Equipment/Britannia Lathe2013-05-27T16:47:42Z<p>Dr Dee: </p>
<hr />
<div><br />
== Britannia lathe renovation ==<br />
<br />
27/5/2013 Removed tool board from back board. it's stored under/behind the lathe cabinet. Cut bit of wood for the motor to sit on. it's sitting in place for now with a sign not to remove. Will fasten it in place permanently when final motor decision is made.<br />
<br />
There is a potential 12VDC in my box, will need to make a speed controller for it. Alternatively just use a normal mains motor with a step pully as the lathe was designed for. 3 phase motors with inverter speed controllers start to look expensive.<br />
[[Category:Tools for use on metal]]</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Equipment/Britannia_Lathe&diff=34337Equipment/Britannia Lathe2013-05-27T16:46:51Z<p>Dr Dee: </p>
<hr />
<div>{{EquipmentInfobox<br />
| category = Equipment <!-- Main category. Please leave alone to keep item in this category --> <br />
| subcat = Metalworking <!-- Sub-category if one exists. Please check main listing to see other <br />
}}<br />
== Britannia lathe renovation ==<br />
<br />
27/5/2013 Removed tool board from back board. it's stored under/behind the lathe cabinet. Cut bit of wood for the motor to sit on. it's sitting in place for now with a sign not to remove. Will fasten it in place permanently when final motor decision is made.<br />
<br />
There is a potential 12VDC in my box, will need to make a speed controller for it. Alternatively just use a normal mains motor with a step pully as the lathe was designed for. 3 phase motors with inverter speed controllers start to look expensive.<br />
[[Category:Tools for use on metal]]</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Equipment/Britannia_Lathe&diff=34336Equipment/Britannia Lathe2013-05-27T16:39:52Z<p>Dr Dee: Created page with " == Britannia lathe renovation == 27/5/2013 Removed tool board from back board. it's stored under/behind the lathe cabinet. Cut bit of wood for the motor to sit on. it's si..."</p>
<hr />
<div><br />
== Britannia lathe renovation ==<br />
<br />
27/5/2013 Removed tool board from back board. it's stored under/behind the lathe cabinet. Cut bit of wood for the motor to sit on. it's sitting in place for now with a sign not to remove. Will fasten it in place permanently when final motor decision is made.<br />
<br />
There is a potential 12VDC in my box, will need to make a speed controller for it. Alternatively just use a normal mains motor with a step pully as the lathe was designed for. 3 phase motors with inverter speed controllers start to look expensive.</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Group_Order&diff=28864Group Order2013-03-29T11:19:38Z<p>Dr Dee: /* Farnell */</p>
<hr />
<div>Need something but want to share postage ? <br />
<br />
Add an entry to this page (or update an existing one) and find people to share it with<br />
<br />
<br />
==Proposed/wanted==<br />
<br />
Add company details, your contact details, order date and other useful information (P&P thresholds, wants lists etc).<br />
<br />
===[http://uk.mouser.com Mouser]===<br />
<br />
*Target : £50 to get free postage<br />
*Last orders :<br />
*Who's sending the order : <br />
*Who wants stuff :<br />
<br />
{| border=1<br />
| Item<br />
| Mouser Part No<br />
| Price<br />
| Qty<br />
| Total<br />
| Who<br />
|-<br />
| 52MHz clock<br />
| 581-KT2520P52ECW24TA <br />
| £2.03<br />
| 2<br />
| £4.06<br />
| Paul2<br />
|-<br />
| IQS127S<br />
| [http://uk.mouser.com/ProductDetail/Azoteq/IQS127S-00000TSR/?qs=%2fha2pyFaduiWFG1O4L243dv4O4INzVzeeGhAL1Y5N5g%3d 957-IQS127S00000TSR]<br />
| £0.202<br />
| 25<br />
| £5.05<br />
| [[User:Artag|Artag]]<br />
|-<br />
| OKI 78SR5/1.5W36C <br />
| [http://uk.mouser.com/ProductDetail/Murata-Power-Solutions/OKI-78SR-5-15-W36-C/?qs=sGAEpiMZZMtwaiKVUtQsNemMZL4TplJBqOl7845nWHA%3d 580-OKI78SR5/1.5W36C]<br />
| £3.32<br />
| 5<br />
| £16.60<br />
| [[User:Artag|Artag]]<br />
|-<br />
| GPS Module : A1035-H <br> SiRF Star III GPS receiver<br />
| [http://uk.mouser.com/Search/ProductDetail.aspx?R=A1035-Hvirtualkey56970000virtualkey927-A1035-H 927-A1035-H]<br />
| £13.62<br />
| 1<br />
| £13.62<br />
| [[User:NecatiOS|Necati]]<br />
|-<br />
| BC547BTF<br />
| [http://uk.mouser.com/Search/ProductDetail.aspx?R=BC547BTFvirtualkey51210000virtualkey512-BC547BTF BC547BTF]<br />
| £0.041<br />
| 25<br />
| £1.03<br />
| [[User:NecatiOS|Necati]]<br />
|-<br />
| Total, not including VAT<br />
| <br />
| <br />
| <br />
| £40.36<br />
| <br />
|}<br />
<br />
===[http://uk.farnell.com Farnell]===<br />
<br />
*Target : £20 credit card min<br />
*Last orders : <br />
*Who's sending the order : <br />
*Who wants stuff :<br />
<br />
{| border=1<br />
| Item<br />
| Farnell Part No<br />
| Price<br />
| Qty<br />
| Total<br />
| Who<br />
|-<br />
| MCP6002-I/P<br />
| 1292245<br />
| £0.32<br />
| 4<br />
| £1.28<br />
| [[User:NecatiOS|Necati]]<br />
|-<br />
| BTS117<br />
| 743446<br />
| £1.32<br />
| 1<br />
| £1.32<br />
| [[User:NecatiOS|Necati]]<br />
|-<br />
| BTS141<br />
| 743460<br />
| £2.47<br />
| 1<br />
| £2.47<br />
| [[User:NecatiOS|Necati]]<br />
|-<br />
| BC547BZL1G<br />
| 9558560<br />
| £0.05<br />
| 25<br />
| £1.25<br />
| [[User:NecatiOS|Necati]]<br />
|-<br />
|-<br />
| Total, not including VAT<br />
| <br />
| <br />
| <br />
| £6.32<br />
| <br />
|}<br />
<br />
==Running (order sent)==<br />
<br />
==Finished (parts received)==<br />
<br />
===[http://uk.farnell.com Farnell]===<br />
<br />
*Target : £20 credit card min<br />
*Last orders : 18:00 12/2/13<br />
*Who's sending the order : Artag <br />
*Who wants stuff :<br />
<br />
{| border=1<br />
| Item<br />
| Farnell Part No<br />
| Price<br />
| Qty<br />
| Total<br />
| Who<br />
|-<br />
| 555<br />
| 8454434 <br />
| £0.51<br />
| 6<br />
| £3.06<br />
| Penguin<br />
|-<br />
| Switch<br />
| 1522052<br />
| £0.33<br />
| 8<br />
| £2.64<br />
| Sci<br />
|-<br />
| LED<br />
| 2112143<br />
| £0.34<br />
| 2<br />
| £0.68<br />
| Sci<br />
|-<br />
| LED<br />
| 1855543<br />
| £0.83<br />
| 2<br />
| £1.66<br />
| Sci<br />
|-<br />
| LED<br />
| 2065647<br />
| £0.91<br />
| 2<br />
| £1.82<br />
| Sci<br />
|-<br />
| 78S40<br />
| 9488049<br />
| £1.11<br />
| 10<br />
| £11.10<br />
| Artag<br />
|-<br />
| 7142<br />
| 1498724<br />
| £1.78<br />
| 3<br />
| £5.34<br />
| Artag<br />
|-<br />
| 7-seg<br />
| 2080044<br />
| £0.85<br />
| 12<br />
| £10.20<br />
| MatB<br />
|-<br />
| button<br />
| 176435<br />
| £0.52<br />
| 10<br />
| £5.20<br />
| MatB<br />
|-<br />
| LED<br />
| 1003243<br />
| £0.32<br />
| 8<br />
| £2.56<br />
| MatB<br />
|-<br />
| Total, not including VAT<br />
| <br />
| <br />
| <br />
| £44.26<br />
| <br />
|}<br />
<br />
*<s>Penguin £3.67</s><br />
*<s>Sci £8.16</s><br />
*<s>MatB £21.55</s><br />
<br />
===[http://www.rapidonline.com Rapid]===<br />
<br />
*Target : £35 to get free postage<br />
*Last orders : 5pm 4/2/13<br />
*Who's sending the order : artag<br />
*Who wants stuff :<br />
<br />
{| border=1<br />
| Item<br />
| Rapid Part No<br />
| Price<br />
| Qty<br />
| Total<br />
| Who<br />
|-<br />
| Photoetch PCB Ds 100 X 160<br />
| [http://www.rapidonline.com/Tools-Equipment/Photoetch-PCB-Ds-100-X-160-34-0125 34-0125]<br />
| £3.76<br />
| 3<br />
| £11.28<br />
| [[User:Datagramm|Samuel]]<br />
|-<br />
| Varistor 10n330k<br />
| [http://www.rapidonline.com/Electronic-Components/20v-3-0j-Mo-Varistor-10n330k-26-3135 26-3135]<br />
| £0.284<br />
| 20<br />
| £5.68<br />
| [[User:Artag|Artag]]<br />
|-<br />
| Varistor 7n470k<br />
| [http://www.rapidonline.com/Electronic-Components/30v-1-8j-Mo-Varistor-7n470k-26-3140 26-3140]<br />
| £0.136<br />
| 20<br />
| £2.72<br />
| [[User:Artag|Artag]]<br />
|-<br />
| Photo Resist Spray 100ml<br />
| [http://www.rapidonline.com/Mechanical-Fastenings-Fixings/Kontakt-chemie-Positiv-20-Photo-Resist-Spray-100ml-87-0705 87-0705]<br />
| £5.77<br />
| 1<br />
| £5.77<br />
| [[User:NecatiOS|Necati]]<br />
|-<br />
| Copper Clad Single Sided FR2 Synthetic Resin Bonded Paper 203 X 305mm<br />
| [http://www.rapidonline.com/Tools-Equipment/Copper-Clad-Single-Sided-FR2-Synthetic-Resin-Bonded-Paper-203-X-305mm-34-0868 34-0868]<br />
| £2.39<br />
| 1<br />
| £2.39<br />
| [[User:NecatiOS|Necati]]<br />
|-<br />
| 5mm Ultraviolet LED<br />
| [http://www.rapidonline.com/electronic-components/5mm-ultraviolet-led-truopto-82278 55-1835]<br />
| £0.683<br />
| 11<br />
| £7.51<br />
| [[User:Akki14|Akki]]<br />
|-<br />
| LED SMD 5050 Neutral White 4000K 6400mcd<br />
| [http://www.rapidonline.com/Electronic-Components/LED-SMD-5050-Neutral-White-4000K-6400mcd-72-4996]<br />
| £0.25<br />
| 1<br />
| £0.25<br />
| [[User:Padski|Paddy Duncan]]<br />
|-<br />
| LED SMD 5050 Warm White 2900K 6800mcd<br />
| [http://www.rapidonline.com/Electronic-Components/LED-SMD-5050-Warm-White-2900K-6800mcd-72-4998]<br />
| £0.25<br />
| 1<br />
| £0.25<br />
| [[User:Padski|Paddy Duncan]]<br />
|-<br />
| High Power LED 5064 1W Cool White 5700K 90lm<br />
| [http://www.rapidonline.com/Electronic-Components/High-Power-LED-5064-1W-Cool-White-5700K-90lm-72-5044]<br />
| £1.26<br />
| 1<br />
| £1.26<br />
| [[User:Padski|Paddy Duncan]]<br />
|-<br />
| High Power LED 5064 1W Neutral White 4000K 80lm<br />
| [http://www.rapidonline.com/Electronic-Components/High-Power-LED-5064-1W-Neutral-White-4000K-80lm-72-5048]<br />
| £1.26<br />
| 1<br />
| £1.26<br />
| [[User:Padski|Paddy Duncan]]<br />
|-<br />
| High Power LED 5064 1W Warm White 3000K 65lm<br />
| [http://www.rapidonline.com/Electronic-Components/High-Power-LED-5064-1W-Warm-White-3000K-65lm-72-5046]<br />
| £1.26<br />
| 1<br />
| £1.26<br />
| [[User:Padski|Paddy Duncan]]<br />
|-<br />
| Lsl100 Light Sensor<br />
| [http://www.rapidonline.com/Electronic-Components/Lsl100-Light-Sensor-58-0120]<br />
| £1.24<br />
| 1<br />
| £1.24<br />
| [[User:Padski|Paddy Duncan]]<br />
|-<br />
| Kingbright L-610MP4BT/BD Phototransistor<br />
| [http://www.rapidonline.com/Electronic-Components/Kingbright-L-610MP4BT-BD-Phototransistor-72-8968]<br />
| £0.20<br />
| 1<br />
| £0.20<br />
| [[User:Padski|Paddy Duncan]]<br />
|-<br />
| Total<br />
| <br />
| <br />
| <br />
| £41.07<br />
| <br />
|}<br />
<br />
Received by artag, will be delivered to hackspace late on 7/2/13<br />
<br />
inc. VAT :<br />
*Datagramm £13.53<br />
*<s>Necati £8.16 (prices above already included VAT)</s> paid<br />
*<s>Akki £9.01</s> paid<br />
*Padski £6.86</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Group_Order&diff=28604Group Order2013-03-18T21:18:16Z<p>Dr Dee: </p>
<hr />
<div>Need something but want to share postage ? <br />
<br />
Add an entry to this page (or update an existing one) and find people to share it with<br />
<br />
<br />
==Proposed/wanted==<br />
<br />
Add company details, your contact details, order date and other useful information (P&P thresholds, wants lists etc).<br />
<br />
===[http://uk.mouser.com Mouser]===<br />
<br />
*Target : £50 to get free postage<br />
*Last orders :<br />
*Who's sending the order : <br />
*Who wants stuff :<br />
<br />
{| border=1<br />
| Item<br />
| Mouser Part No<br />
| Price<br />
| Qty<br />
| Total<br />
| Who<br />
|-<br />
| 52MHz clock<br />
| 581-KT2520P52ECW24TA <br />
| £2.03<br />
| 2<br />
| £4.06<br />
| Paul2<br />
|-<br />
| IQS127S<br />
| [http://uk.mouser.com/ProductDetail/Azoteq/IQS127S-00000TSR/?qs=%2fha2pyFaduiWFG1O4L243dv4O4INzVzeeGhAL1Y5N5g%3d 957-IQS127S00000TSR]<br />
| £0.202<br />
| 25<br />
| £5.05<br />
| [[User:Artag|Artag]]<br />
|-<br />
| OKI 78SR5/1.5W36C <br />
| [http://uk.mouser.com/ProductDetail/Murata-Power-Solutions/OKI-78SR-5-15-W36-C/?qs=sGAEpiMZZMtwaiKVUtQsNemMZL4TplJBqOl7845nWHA%3d 580-OKI78SR5/1.5W36C]<br />
| £3.32<br />
| 5<br />
| £16.60<br />
| [[User:Artag|Artag]]<br />
|-<br />
| GPS Module : A1035-H <br> SiRF Star III GPS receiver<br />
| [http://uk.mouser.com/Search/ProductDetail.aspx?R=A1035-Hvirtualkey56970000virtualkey927-A1035-H 927-A1035-H]<br />
| £13.62<br />
| 1<br />
| £13.62<br />
| [[User:NecatiOS|Necati]]<br />
|-<br />
| BC547BTF<br />
| [http://uk.mouser.com/Search/ProductDetail.aspx?R=BC547BTFvirtualkey51210000virtualkey512-BC547BTF BC547BTF]<br />
| £0.041<br />
| 25<br />
| £1.03<br />
| [[User:NecatiOS|Necati]]<br />
|-<br />
| Total, not including VAT<br />
| <br />
| <br />
| <br />
| £40.36<br />
| <br />
|}<br />
<br />
===[http://uk.farnell.com Farnell]===<br />
<br />
*Target : £20 credit card min<br />
*Last orders : <br />
*Who's sending the order : <br />
*Who wants stuff :<br />
<br />
{| border=1<br />
| Item<br />
| Farnell Part No<br />
| Price<br />
| Qty<br />
| Total<br />
| Who<br />
|-<br />
| MCP6002-I/P<br />
| 1292245<br />
| £0.32<br />
| 4<br />
| £1.28<br />
| [[User:NecatiOS|Necati]]<br />
|-<br />
| BTS117<br />
| 743446<br />
| £1.32<br />
| 1<br />
| £1.32<br />
| [[User:NecatiOS|Necati]]<br />
|-<br />
| BTS141<br />
| 743460<br />
| £2.47<br />
| 1<br />
| £2.47<br />
| [[User:NecatiOS|Necati]]<br />
|-<br />
| BC547BZL1G<br />
| 9558560<br />
| £0.05<br />
| 25<br />
| £1.25<br />
| [[User:NecatiOS|Necati]]<br />
|-<br />
| FTDI - FT245RL<br />
| 1146034<br />
| £4.02<br />
| 2<br />
| £8.04<br />
| [[User:Dr_Dee|Dr_Dee]]<br />
|-<br />
|-<br />
| Total, not including VAT<br />
| <br />
| <br />
| <br />
| £14.36<br />
| <br />
|}<br />
<br />
==Running (order sent)==<br />
<br />
==Finished (parts received)==<br />
<br />
===[http://uk.farnell.com Farnell]===<br />
<br />
*Target : £20 credit card min<br />
*Last orders : 18:00 12/2/13<br />
*Who's sending the order : Artag <br />
*Who wants stuff :<br />
<br />
{| border=1<br />
| Item<br />
| Farnell Part No<br />
| Price<br />
| Qty<br />
| Total<br />
| Who<br />
|-<br />
| 555<br />
| 8454434 <br />
| £0.51<br />
| 6<br />
| £3.06<br />
| Penguin<br />
|-<br />
| Switch<br />
| 1522052<br />
| £0.33<br />
| 8<br />
| £2.64<br />
| Sci<br />
|-<br />
| LED<br />
| 2112143<br />
| £0.34<br />
| 2<br />
| £0.68<br />
| Sci<br />
|-<br />
| LED<br />
| 1855543<br />
| £0.83<br />
| 2<br />
| £1.66<br />
| Sci<br />
|-<br />
| LED<br />
| 2065647<br />
| £0.91<br />
| 2<br />
| £1.82<br />
| Sci<br />
|-<br />
| 78S40<br />
| 9488049<br />
| £1.11<br />
| 10<br />
| £11.10<br />
| Artag<br />
|-<br />
| 7142<br />
| 1498724<br />
| £1.78<br />
| 3<br />
| £5.34<br />
| Artag<br />
|-<br />
| 7-seg<br />
| 2080044<br />
| £0.85<br />
| 12<br />
| £10.20<br />
| MatB<br />
|-<br />
| button<br />
| 176435<br />
| £0.52<br />
| 10<br />
| £5.20<br />
| MatB<br />
|-<br />
| LED<br />
| 1003243<br />
| £0.32<br />
| 8<br />
| £2.56<br />
| MatB<br />
|-<br />
| Total, not including VAT<br />
| <br />
| <br />
| <br />
| £44.26<br />
| <br />
|}<br />
<br />
*<s>Penguin £3.67</s><br />
*<s>Sci £8.16</s><br />
*<s>MatB £21.55</s><br />
<br />
===[http://www.rapidonline.com Rapid]===<br />
<br />
*Target : £35 to get free postage<br />
*Last orders : 5pm 4/2/13<br />
*Who's sending the order : artag<br />
*Who wants stuff :<br />
<br />
{| border=1<br />
| Item<br />
| Rapid Part No<br />
| Price<br />
| Qty<br />
| Total<br />
| Who<br />
|-<br />
| Photoetch PCB Ds 100 X 160<br />
| [http://www.rapidonline.com/Tools-Equipment/Photoetch-PCB-Ds-100-X-160-34-0125 34-0125]<br />
| £3.76<br />
| 3<br />
| £11.28<br />
| [[User:Datagramm|Samuel]]<br />
|-<br />
| Varistor 10n330k<br />
| [http://www.rapidonline.com/Electronic-Components/20v-3-0j-Mo-Varistor-10n330k-26-3135 26-3135]<br />
| £0.284<br />
| 20<br />
| £5.68<br />
| [[User:Artag|Artag]]<br />
|-<br />
| Varistor 7n470k<br />
| [http://www.rapidonline.com/Electronic-Components/30v-1-8j-Mo-Varistor-7n470k-26-3140 26-3140]<br />
| £0.136<br />
| 20<br />
| £2.72<br />
| [[User:Artag|Artag]]<br />
|-<br />
| Photo Resist Spray 100ml<br />
| [http://www.rapidonline.com/Mechanical-Fastenings-Fixings/Kontakt-chemie-Positiv-20-Photo-Resist-Spray-100ml-87-0705 87-0705]<br />
| £5.77<br />
| 1<br />
| £5.77<br />
| [[User:NecatiOS|Necati]]<br />
|-<br />
| Copper Clad Single Sided FR2 Synthetic Resin Bonded Paper 203 X 305mm<br />
| [http://www.rapidonline.com/Tools-Equipment/Copper-Clad-Single-Sided-FR2-Synthetic-Resin-Bonded-Paper-203-X-305mm-34-0868 34-0868]<br />
| £2.39<br />
| 1<br />
| £2.39<br />
| [[User:NecatiOS|Necati]]<br />
|-<br />
| 5mm Ultraviolet LED<br />
| [http://www.rapidonline.com/electronic-components/5mm-ultraviolet-led-truopto-82278 55-1835]<br />
| £0.683<br />
| 11<br />
| £7.51<br />
| [[User:Akki14|Akki]]<br />
|-<br />
| LED SMD 5050 Neutral White 4000K 6400mcd<br />
| [http://www.rapidonline.com/Electronic-Components/LED-SMD-5050-Neutral-White-4000K-6400mcd-72-4996]<br />
| £0.25<br />
| 1<br />
| £0.25<br />
| [[User:Padski|Paddy Duncan]]<br />
|-<br />
| LED SMD 5050 Warm White 2900K 6800mcd<br />
| [http://www.rapidonline.com/Electronic-Components/LED-SMD-5050-Warm-White-2900K-6800mcd-72-4998]<br />
| £0.25<br />
| 1<br />
| £0.25<br />
| [[User:Padski|Paddy Duncan]]<br />
|-<br />
| High Power LED 5064 1W Cool White 5700K 90lm<br />
| [http://www.rapidonline.com/Electronic-Components/High-Power-LED-5064-1W-Cool-White-5700K-90lm-72-5044]<br />
| £1.26<br />
| 1<br />
| £1.26<br />
| [[User:Padski|Paddy Duncan]]<br />
|-<br />
| High Power LED 5064 1W Neutral White 4000K 80lm<br />
| [http://www.rapidonline.com/Electronic-Components/High-Power-LED-5064-1W-Neutral-White-4000K-80lm-72-5048]<br />
| £1.26<br />
| 1<br />
| £1.26<br />
| [[User:Padski|Paddy Duncan]]<br />
|-<br />
| High Power LED 5064 1W Warm White 3000K 65lm<br />
| [http://www.rapidonline.com/Electronic-Components/High-Power-LED-5064-1W-Warm-White-3000K-65lm-72-5046]<br />
| £1.26<br />
| 1<br />
| £1.26<br />
| [[User:Padski|Paddy Duncan]]<br />
|-<br />
| Lsl100 Light Sensor<br />
| [http://www.rapidonline.com/Electronic-Components/Lsl100-Light-Sensor-58-0120]<br />
| £1.24<br />
| 1<br />
| £1.24<br />
| [[User:Padski|Paddy Duncan]]<br />
|-<br />
| Kingbright L-610MP4BT/BD Phototransistor<br />
| [http://www.rapidonline.com/Electronic-Components/Kingbright-L-610MP4BT-BD-Phototransistor-72-8968]<br />
| £0.20<br />
| 1<br />
| £0.20<br />
| [[User:Padski|Paddy Duncan]]<br />
|-<br />
| Total<br />
| <br />
| <br />
| <br />
| £41.07<br />
| <br />
|}<br />
<br />
Received by artag, will be delivered to hackspace late on 7/2/13<br />
<br />
inc. VAT :<br />
*Datagramm £13.53<br />
*<s>Necati £8.16 (prices above already included VAT)</s> paid<br />
*<s>Akki £9.01</s> paid<br />
*Padski £6.86</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Lathe_Training&diff=28402Lathe Training2013-03-13T21:07:32Z<p>Dr Dee: </p>
<hr />
<div><br />
[[3 in 1 lathe]]<br />
<br />
This page is to coordinate people offering and requiring training on the machine tools (lathe, mill and 3-in-1). If you have previous experience you will normally be allowed to use the small lathe and mill freely, and the 3-in-1 after a short induction session (to cover any queries and provide a brief guide and warnings). <br />
<br />
The problem with these machines is that there are hundreds of techniques to learn and much needs to be done hands-on, so it isn't practical to run lectures. Most people will have knowledge only of the techniques that they have needed to date. You will only need to learn basic rules and the techniques important to you, but getting started and gaining a proper respect for the machines to ensure your and their safety requires some instruction. Once you have learned to use the machine safely, you will have to acquire more knowledge through asking people, reading books, and from internet resources.<br />
<br />
If you have no previous experience you will need much more careful training probably in small groups or one-on-one. It will probably be best to do some initial sessions on the small machines and move to the 3 in 1 if required or when ready. This need not be long unless you're especially hamfisted, but even this requires a reasonable effort from people willing to offer training so please appreciate the level of commitment required. This is not a 5 minute talk and a bit of software.<br />
<br />
Adding your details to request training will not result in you being contacted. It's just to help gauge the needs and show the information needed. Please make contact with trainers yourself.<br />
<br />
<br />
<br />
{|border="1" cellpadding="5" cellspacing="0"<br />
<br />
|-<br />
|'''Name''' || '''Offered / wanted ''' || '''Skill level''' || '''When available'''<br />
|-<br />
| Oliver || induction wanted || familiar with lathes and mills || weekends<br />
|-<br />
| Russsss || offered || ?? || ??<br />
|-<br />
| Spooq || offered || ?? || ??<br />
|-<br />
| [[User:Artag|Adrian]] || offered || familiar with other machines, less so on LHS machines || When you can catch me, or arrange<br />
|-<br />
| R. Hacker || mentor wanted || zilch || evenings but not mondays<br />
|-<br />
| S. Hacker || induction wanted for 3in1 || already familiar || tuesday night or as arranged<br />
|-<br />
| zeroknowledge|| mentor wanted || no experience || weekends<br />
|-<br />
| Billy Smith || Offered and wanted || Got the basics. I can explain those. Looking to extend my skill-set. I know that i don't know the full range of what these things can do... Maintenance on the mini-lathe, i am happy to share what i know. || Whenever i am in the space. Usually at night. Shout me...<br />
|-<br />
| JDublock || Wanted || Need to be shown the ropes || Weekends<br />
|-<br />
|[[User:Booyaa|booyaa]] || Induction wanted with the view to learning how to maintain the machine || Used a lathe in my CDT class (secondary school) about 20+ years ago || Tuesday or Thursday but not both<br />
|-<br />
| Leigh Simmons || Wanted || Familiar with concepts, but no practical experience || Anytime, but preferably not weekends<br />
|-<br />
|}<br />
<br />
<br />
==Suggested training==<br />
<br />
Aim : To be able to use the machine safely and produce a simple piece of work, e.g. a cotton reel shape.<br />
<br />
*Basic safety<br />
**Controls<br />
**Chuck key<br />
**Check clamping<br />
**Check unobstructed operation<br />
*Tools<br />
**Choosing a cutting tool<br />
**Mounting and setting centre height<br />
**Tailstock chuck<br />
*Speeds<br />
**Choice of speed<br />
**Changing gears<br />
*Working<br />
**Facing off<br />
**Centre drill<br />
**Drilling from the tailstock<br />
**Parallel cut<br />
**Profiling<br />
**Short taper with the compound slide<br />
*Thread cutting (optional)<br />
<br />
==Related pages==<br />
[[3 in 1 lathe]]</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=User:Dr_Dee&diff=28327User:Dr Dee2013-03-10T23:34:48Z<p>Dr Dee: </p>
<hr />
<div><br />
== Contact ==<br />
Oliver Greenaway<br />
<br />
Dr_Dee on IRC<br />
<br />
http://sigmatechnica.com/<br />
<br />
== Areas of interest ==<br />
3D printing<br />
<br />
Nuclear instrumentation<br />
<br />
Mechanical and electronic engineering</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=User:Dr_Dee&diff=28326User:Dr Dee2013-03-10T23:33:41Z<p>Dr Dee: </p>
<hr />
<div><br />
== Contact ==<br />
Oliver Greenaway<br />
Dr_Dee on IRC<br />
http://sigmatechnica.com/<br />
<br />
== Areas of interest ==<br />
3D printing<br />
Nuclear instrumentation<br />
Mechanical and electronic engineering</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=User:Dr_Dee&diff=28325User:Dr Dee2013-03-10T23:32:31Z<p>Dr Dee: </p>
<hr />
<div><br />
== Contact ==<br />
Oliver Greenaway<br />
Dr_Dee on IRC<br />
<br />
<br />
== Areas of interest ==<br />
3D printing<br />
Nuclear instrumentation<br />
Mechanical and electronic engineering<br />
http://sigmatechnica.com/</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=User:Dr_Dee&diff=28324User:Dr Dee2013-03-10T23:32:12Z<p>Dr Dee: </p>
<hr />
<div><br />
== Contact<br />
==<br />
Oliver Greenaway<br />
Dr_Dee on IRC<br />
<br />
<br />
== Areas of interest:<br />
==<br />
3D printing<br />
Nuclear instrumentation<br />
Mechanical and electronic engineering<br />
http://sigmatechnica.com/</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=User:Dr_Dee&diff=28323User:Dr Dee2013-03-10T23:31:05Z<p>Dr Dee: Created page with "Oliver Greenaway Dr_Dee on IRC Areas of interest: 3D printing Nuclear instrumentation Mechanical and electronic engineering http://sigmatechnica.com/"</p>
<hr />
<div>Oliver Greenaway<br />
<br />
Dr_Dee on IRC<br />
Areas of interest:<br />
3D printing<br />
Nuclear instrumentation<br />
Mechanical and electronic engineering<br />
http://sigmatechnica.com/</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Project:Subatomic_metrology&diff=28013Project:Subatomic metrology2013-02-22T22:21:12Z<p>Dr Dee: /* Equipment required: */</p>
<hr />
<div><br />
<br />
<br />
== Summary ==<br />
<br />
A project to acquire the necessary apparatus and knowledge to allow for the meaningful study radioactivity and subatomic particles in general.<br />
<br />
<br />
== Starting equipment ==<br />
<br />
One of the main standards in electronic equipment intended for study of nuclear phenomena is the NIM or nuclear instrumentation module. These are basically a slender box with a standard power connector on the rear which slots into a chassis known as a NIM bin or creat in a maner similar to server blades in a blade chassis. There is a vast array of NIMs available to perform numerous electronic functions from the very specific to the quite generic. The advantage of this system are twofold; First, extreme flexibility it afforded by it's modular nature. Secondly this is an old standard that has been in use for a long time and as such NIMs often come up on ebay for not too hideous prices. Though some of these may be quite old, they are usually made to extremely high standards with very high quality components, making repair a worthwhile option.<br />
<br />
NIM bins would commonly consume about 6U in a 19" rack, however I have a slightly smaller one, capable of housing 7 single width NIMs which should be enough to get us started and not consume more space than necessary. I also have a basic set of NIMs with which to populate it, a HV PSU, a counter/timer, signal amplifier and rate meter. The bin i will donate to the space, my NIMs at this stage i am providing on the basis of a 'semi-permanent loan' (basicaly until I leave London)<br />
<br />
I will also be providing a somewhat decrepit NaI:Tl scintillation counter and a thin window GM tube<br />
<br />
<br />
== Equipment required: ==<br />
A wishlist most important first<br />
* The main thing we are lacking is a multichannel analyser, this is an apparatus that digitizes pulses generated by a detector and presents them as a histogram of pulse height (and therefore radiation energy) against number of pulses received thus generating a spectra of the energy of radiation incident upon the detector. I intend to make one but it is going to take some time.<br />
<br />
* A better scintilator would be nice, my chunk of NaI is going cloudy ;( <br />
<br />
* Lead! lots of lead. Background radiation is everywhere and really gets in the way when trying to get a spectra for low activity items, Lead several inches of lead shielding around the detector and item under study prevents this. <br />
<br />
* More NIMs are always good... you can't have too many! <br />
<br />
* Any CAMAC kit. (CAMAC is a newer version of NIM with a digital backplane. would be nice play with!)<br />
<br />
* photomultipliers, ion chambers, Helium-3 or BF3 proportional tubes (yeah, I live in hope) an HPGE detector (again... living in hope.. maybe we could cool it with a massive stack of peltiers...) CdTe semiconductor detectors, BGO scintilator, Lanthanum Chloride scintilator..... you get the idea ;)<br />
<br />
== Proposed uses: ==<br />
* Investigation of radioactivity in common and uncommon items<br />
* Determination of radionuclide content items by analysis of decay (e.g chunks of rock)<br />
* Investigation of novel detector materials, growing of scintillation crystals, novel semiconductor detectors<br />
* Investigation of anthropogenic background radiation and cosmic background.<br />
<br />
<br />
== Training required: ==<br />
<br />
Due to the complexity and flexibility of the NIM system, some training will be required to enable proper operation. <br />
High voltages are required for many of the sensors involved.<br />
The thin window GM tube is *extremely* fragile and somewhat irreplaceable so *please* be carefull with it.</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Project:Subatomic_metrology&diff=28012Project:Subatomic metrology2013-02-22T22:16:01Z<p>Dr Dee: /* Equipment required: */</p>
<hr />
<div><br />
<br />
<br />
== Summary ==<br />
<br />
A project to acquire the necessary apparatus and knowledge to allow for the meaningful study radioactivity and subatomic particles in general.<br />
<br />
<br />
== Starting equipment ==<br />
<br />
One of the main standards in electronic equipment intended for study of nuclear phenomena is the NIM or nuclear instrumentation module. These are basically a slender box with a standard power connector on the rear which slots into a chassis known as a NIM bin or creat in a maner similar to server blades in a blade chassis. There is a vast array of NIMs available to perform numerous electronic functions from the very specific to the quite generic. The advantage of this system are twofold; First, extreme flexibility it afforded by it's modular nature. Secondly this is an old standard that has been in use for a long time and as such NIMs often come up on ebay for not too hideous prices. Though some of these may be quite old, they are usually made to extremely high standards with very high quality components, making repair a worthwhile option.<br />
<br />
NIM bins would commonly consume about 6U in a 19" rack, however I have a slightly smaller one, capable of housing 7 single width NIMs which should be enough to get us started and not consume more space than necessary. I also have a basic set of NIMs with which to populate it, a HV PSU, a counter/timer, signal amplifier and rate meter. The bin i will donate to the space, my NIMs at this stage i am providing on the basis of a 'semi-permanent loan' (basicaly until I leave London)<br />
<br />
I will also be providing a somewhat decrepit NaI:Tl scintillation counter and a thin window GM tube<br />
<br />
<br />
== Equipment required: ==<br />
A wishlist most important first<br />
* The main thing we are lacking is a multichannel analyser, this is an apparatus that digitizes pulses generated by a detector and presents them as a histogram of pulse height (and therefore radiation energy) against number of pulses received thus generating a spectra of the energy of radiation incident upon the detector. <br />
<br />
* A better scintilator would be nice, my chunk of NaI is going cloudy ;( <br />
<br />
* Lead! lots of lead. Background radiation is everywhere and really gets in the way when trying to get a spectra for low activity items, Lead several inches of lead shielding around the detector and item under study prevents this. <br />
<br />
* More NIMs are always good... you can't have too many! <br />
<br />
* Any CAMAC kit. (CAMAC is a newer version of NIM with a digital backplane. would be nice play with!)<br />
<br />
* photomultipliers, ion chambers, Helium-3 or BF3 proportional tubes (yeah, I live in hope) an HPGE detector (again... living in hope.. maybe we could cool it with a massive stack of peltiers...) CdTe semiconductor detectors, BGO scintilator, Lanthanum Chloride scintilator..... you get the idea ;)<br />
<br />
== Proposed uses: ==<br />
* Investigation of radioactivity in common and uncommon items<br />
* Determination of radionuclide content items by analysis of decay (e.g chunks of rock)<br />
* Investigation of novel detector materials, growing of scintillation crystals, novel semiconductor detectors<br />
* Investigation of anthropogenic background radiation and cosmic background.<br />
<br />
<br />
== Training required: ==<br />
<br />
Due to the complexity and flexibility of the NIM system, some training will be required to enable proper operation. <br />
High voltages are required for many of the sensors involved.<br />
The thin window GM tube is *extremely* fragile and somewhat irreplaceable so *please* be carefull with it.</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Project:Subatomic_metrology&diff=28011Project:Subatomic metrology2013-02-22T22:08:55Z<p>Dr Dee: /* Equipment required: */</p>
<hr />
<div><br />
<br />
<br />
== Summary ==<br />
<br />
A project to acquire the necessary apparatus and knowledge to allow for the meaningful study radioactivity and subatomic particles in general.<br />
<br />
<br />
== Starting equipment ==<br />
<br />
One of the main standards in electronic equipment intended for study of nuclear phenomena is the NIM or nuclear instrumentation module. These are basically a slender box with a standard power connector on the rear which slots into a chassis known as a NIM bin or creat in a maner similar to server blades in a blade chassis. There is a vast array of NIMs available to perform numerous electronic functions from the very specific to the quite generic. The advantage of this system are twofold; First, extreme flexibility it afforded by it's modular nature. Secondly this is an old standard that has been in use for a long time and as such NIMs often come up on ebay for not too hideous prices. Though some of these may be quite old, they are usually made to extremely high standards with very high quality components, making repair a worthwhile option.<br />
<br />
NIM bins would commonly consume about 6U in a 19" rack, however I have a slightly smaller one, capable of housing 7 single width NIMs which should be enough to get us started and not consume more space than necessary. I also have a basic set of NIMs with which to populate it, a HV PSU, a counter/timer, signal amplifier and rate meter. The bin i will donate to the space, my NIMs at this stage i am providing on the basis of a 'semi-permanent loan' (basicaly until I leave London)<br />
<br />
I will also be providing a somewhat decrepit NaI:Tl scintillation counter and a thin window GM tube<br />
<br />
<br />
== Equipment required: ==<br />
A wishlist most important first<br />
* The main thing we are lacking is a multichannel analyser, this is an apparatus that digitizes pulses generated by a detector and presents them as a histogram of pulse height (and therefore radiation energy) against number of pulses received thus generating a spectra of the energy of radiation incident upon the detector. <br />
<br />
* A better scintilator would be nice, my chunk of NaI is going cloudy ;( <br />
<br />
* Lead! lots of lead. Background radiation is everywhere and really gets in the way when trying to get a spectra for low activity items, Lead several inches of lead shielding around the detector and item under study prevents this. <br />
<br />
* More NIMs are always good... you can't have too many! <br />
<br />
* Any CAMAC kit. (CAMAC is a newer version of NIM with a digital backplane. would be nice play with!)<br />
<br />
== Proposed uses: ==<br />
* Investigation of radioactivity in common and uncommon items<br />
* Determination of radionuclide content items by analysis of decay (e.g chunks of rock)<br />
* Investigation of novel detector materials, growing of scintillation crystals, novel semiconductor detectors<br />
* Investigation of anthropogenic background radiation and cosmic background.<br />
<br />
<br />
== Training required: ==<br />
<br />
Due to the complexity and flexibility of the NIM system, some training will be required to enable proper operation. <br />
High voltages are required for many of the sensors involved.<br />
The thin window GM tube is *extremely* fragile and somewhat irreplaceable so *please* be carefull with it.</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Project:Subatomic_metrology&diff=28010Project:Subatomic metrology2013-02-22T21:04:54Z<p>Dr Dee: </p>
<hr />
<div><br />
<br />
<br />
== Summary ==<br />
<br />
A project to acquire the necessary apparatus and knowledge to allow for the meaningful study radioactivity and subatomic particles in general.<br />
<br />
<br />
== Starting equipment ==<br />
<br />
One of the main standards in electronic equipment intended for study of nuclear phenomena is the NIM or nuclear instrumentation module. These are basically a slender box with a standard power connector on the rear which slots into a chassis known as a NIM bin or creat in a maner similar to server blades in a blade chassis. There is a vast array of NIMs available to perform numerous electronic functions from the very specific to the quite generic. The advantage of this system are twofold; First, extreme flexibility it afforded by it's modular nature. Secondly this is an old standard that has been in use for a long time and as such NIMs often come up on ebay for not too hideous prices. Though some of these may be quite old, they are usually made to extremely high standards with very high quality components, making repair a worthwhile option.<br />
<br />
NIM bins would commonly consume about 6U in a 19" rack, however I have a slightly smaller one, capable of housing 7 single width NIMs which should be enough to get us started and not consume more space than necessary. I also have a basic set of NIMs with which to populate it, a HV PSU, a counter/timer, signal amplifier and rate meter. The bin i will donate to the space, my NIMs at this stage i am providing on the basis of a 'semi-permanent loan' (basicaly until I leave London)<br />
<br />
I will also be providing a somewhat decrepit NaI:Tl scintillation counter and a thin window GM tube<br />
<br />
<br />
== Equipment required: ==<br />
<br />
* The main thing we are lacking is a multichannel analyser, this is an apparatus that digitizes pulses generated by a detector and presents them as a histogram of pulse height (and therefore radiation energy) against number of pulses received thus generating a spectra of the energy of radiation incident upon the detector. <br />
<br />
* A better scintilator would be nice, my chunk of NaI is going cloudy ;( <br />
<br />
* More NIMs are always good... you can't have too many! <br />
<br />
* Any CAMAC kit. (CAMAC is a newer version of NIMs with a backplane. would be nice play with!)<br />
<br />
<br />
<br />
== Proposed uses: ==<br />
* Investigation of radioactivity in common and uncommon items<br />
* Determination of radionuclide content items by analysis of decay (e.g chunks of rock)<br />
* Investigation of novel detector materials, growing of scintillation crystals, novel semiconductor detectors<br />
* Investigation of anthropogenic background radiation and cosmic background.<br />
<br />
<br />
== Training required: ==<br />
<br />
Due to the complexity and flexibility of the NIM system, some training will be required to enable proper operation. <br />
High voltages are required for many of the sensors involved.<br />
The thin window GM tube is *extremely* fragile and somewhat irreplaceable so *please* be carefull with it.</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Project:Subatomic_metrology&diff=28009Project:Subatomic metrology2013-02-22T21:04:24Z<p>Dr Dee: </p>
<hr />
<div><br />
<br />
<br />
== Summary: ==<br />
<br />
A project to acquire the necessary apparatus and knowledge to allow for the meaningful study radioactivity and subatomic particles in general.<br />
<br />
<br />
== equipment ==<br />
<br />
One of the main standards in electronic equipment intended for study of nuclear phenomena is the NIM or nuclear instrumentation module. These are basically a slender box with a standard power connector on the rear which slots into a chassis known as a NIM bin or creat in a maner similar to server blades in a blade chassis. There is a vast array of NIMs available to perform numerous electronic functions from the very specific to the quite generic. The advantage of this system are twofold; First, extreme flexibility it afforded by it's modular nature. Secondly this is an old standard that has been in use for a long time and as such NIMs often come up on ebay for not too hideous prices. Though some of these may be quite old, they are usually made to extremely high standards with very high quality components, making repair a worthwhile option.<br />
<br />
NIM bins would commonly consume about 6U in a 19" rack, however I have a slightly smaller one, capable of housing 7 single width NIMs which should be enough to get us started and not consume more space than necessary. I also have a basic set of NIMs with which to populate it, a HV PSU, a counter/timer, signal amplifier and rate meter. The bin i will donate to the space, my NIMs at this stage i am providing on the basis of a 'semi-permanent loan' (basicaly until I leave London)<br />
<br />
I will also be providing a somewhat decrepit NaI:Tl scintillation counter and a thin window GM tube<br />
<br />
<br />
== equipment required: ==<br />
<br />
* The main thing we are lacking is a multichannel analyser, this is an apparatus that digitizes pulses generated by a detector and presents them as a histogram of pulse height (and therefore radiation energy) against number of pulses received thus generating a spectra of the energy of radiation incident upon the detector. <br />
<br />
* A better scintilator would be nice, my chunk of NaI is going cloudy ;( <br />
<br />
* More NIMs are always good... you can't have too many! <br />
<br />
* Any CAMAC kit. (CAMAC is a newer version of NIMs with a backplane. would be nice play with!)<br />
<br />
<br />
<br />
== Proposed uses: ==<br />
* Investigation of radioactivity in common and uncommon items<br />
* Determination of radionuclide content items by analysis of decay (e.g chunks of rock)<br />
* Investigation of novel detector materials, growing of scintillation crystals, novel semiconductor detectors<br />
* Investigation of anthropogenic background radiation and cosmic background.<br />
<br />
<br />
== Training required: ==<br />
<br />
Due to the complexity and flexibility of the NIM system, some training will be required to enable proper operation. <br />
High voltages are required for many of the sensors involved.<br />
The thin window GM tube is *extremely* fragile and somewhat irreplaceable so *please* be carefull with it.</div>Dr Deehttps://wiki.london.hackspace.org.uk/w/index.php?title=Project:Subatomic_metrology&diff=28007Project:Subatomic metrology2013-02-22T19:53:37Z<p>Dr Dee: Created page with " == Summary: == A project to acquire the nessassery apparatus and knowhow to allow for the meaningful study radioactivity and subatomic particles in general. == equipment..."</p>
<hr />
<div><br />
<br />
<br />
== Summary: ==<br />
<br />
A project to acquire the nessassery apparatus and knowhow to allow for the meaningful study radioactivity and subatomic particles in general.<br />
<br />
<br />
== equipment ==<br />
<br />
One of the main standards in electronic equipment intended for study of nuclear phenomimum is the NIM or nuclear instrumintation module. These are basicly a slender box with a standard power connector on the rear which slots into a chassis known as a NIM bin or creat. There is a vast array of NIMs available to perform numerious electronic functions from the very spesific to the quite generic. The advantage of this system are twofold. First, extreme flexibility it afforded by the modular nature of the system. Secondly this is an old standard and as such NIMs often come up on ebay for not too hidious prices. though some of these may be quite old, they are usualy made to extremely high standards with very high quality conponents, making repair a worthwhile option.<br />
<br />
NIM bins would commonly consume about 6U in a 19" rack, however i have a slightly smaller one, capible of housing 7 NIMs which should be enough to get us started. I also have a basic set of NIMs whith which to populate it, a HV PSU, a counter/timer, signal amplifier and rate meter.<br />
<br />
I will also be providing a somewhat decrepit NaI:Tl scintillation counter and a thin window GM tube<br />
<br />
<br />
== equipment required: ==<br />
<br />
The main thing we are lacking is a multichannel analyzer, this apparatus digitizes pulses generated by a detector and presents them as a histogram of pulse height (and therefore radiation energy) against occourence thus generating a spectra of the energy of radiation. <br />
<br />
A better scintilator would be nice, my chunk of NaI is going cloudy ;( <br />
<br />
more NIMs are always good... you can't have too many! <br />
<br />
<br />
<br />
== Proposed uses: ==<br />
investigation of radioactivity in common and novel items<br />
determination of radionuclide present in items by analysis of decay (e.g chunks of rock)<br />
investigation of novel detector materials, growing of scintillation crystals, novel semiconductor detectors<br />
investigation of anthropogenic background radiation and cosmic background.<br />
<br />
== Training required: ==<br />
<br />
due to the complexity and flexibility of the NIM system, some training will be required to enable proper operation. <br />
High voltages are required for many of the sensors involved.<br />
the thin window GM tube is *extremely* fragile and somewhat irreplaceable so *please* be carefull with it.</div>Dr Dee